1. Important Safety Instructions
Read all safety warnings and instructions before operating this tool. Failure to follow the warnings and instructions may result in electric shock, fire, and/or serious injury. Keep this manual for future reference.
General Power Tool Safety
- Work Area Safety: Keep the work area clean and well-lit. Cluttered or dark areas invite accidents. Do not operate power tools in explosive atmospheres, such as in the presence of flammable liquids, gases, or dust.
- Electrical Safety: Avoid body contact with earthed or grounded surfaces such as pipes, radiators, ranges, and refrigerators. There is an increased risk of electric shock if your body is earthed or grounded.
- Personal Safety: Always wear eye protection. Use appropriate personal protective equipment such as non-skid safety shoes, hard hat, or hearing protection when necessary. Stay alert, watch what you are doing, and use common sense when operating a power tool.
Hedge Trimmer and Grass Shear Specific Safety
- Keep Hands Away From Blades: Never attempt to remove cut material or hold material to be cut when blades are moving. Ensure the tool is switched off and the battery is removed before clearing jammed material.
- Dual Safety System: This tool features a dual-lock system to prevent accidental starts. To operate, you must press the safety lock and the trigger simultaneously. Always ensure both are engaged correctly.
- Blade Guard: Always use the blade guard when the tool is not in use or during storage and transport.
- Battery Safety: Use only the specified charger for the battery pack. Do not expose battery packs or tools to fire or excessive temperature.
- Inspect Before Use: Before each use, inspect the blades for damage or wear. Do not use the tool if blades are bent, cracked, or excessively worn.
2. Product Overview
The blskby 20V 2-in-1 Cordless Hedge Trimmer and Grass Shear is a versatile tool designed for various garden maintenance tasks. It features interchangeable blades for hedge trimming and grass shearing, powered by a 20V battery system.
Package Contents
Your package should contain the following items:
- 1 x Trimmer Unit
- 1 x Grass Shear Blade
- 1 x Hedge Trimmer Blade
- 2 x Blade Covers
- 2 x 20V Batteries
- 1 x Charger
- 1 x User Manual (this document)

Figure 2.1: Included Components
Key Features
- 2-in-1 Blade System: Easily switch between an 8.66-inch hedge trimmer blade for shaping hedges and bushes (max cutting thickness: 0.31 inches) and a 5.12-inch grass shear blade for edging and trimming grass.
- Cordless Operation: Powered by two 20V batteries, offering over 60 minutes of runtime per battery. Fast charging (under 2 hours) with LED battery indicators.
- Lightweight Design: Weighs approximately 1.1kg (with battery) for comfortable one-handed use and reduced fatigue during extended tasks.
- Adjustable Head: Features a 3-angle adjustable head (15°, 30°, 45°) for flexible trimming in various positions and hard-to-reach areas.

Figure 2.2: 2-in-1 Cutting Mode

Figure 2.3: Adjustable Head Angles
3. Setup
3.1 Charging the Battery
- Connect the charger to a standard power outlet.
- Slide the 20V battery into the charger until it clicks into place.
- The LED indicator on the battery will show charging status. A full charge typically takes under 2 hours.
- Once fully charged, remove the battery from the charger.
3.2 Installing/Changing Blades
The blskby 2-in-1 trimmer features a tool-free blade change system.
- Ensure the tool is OFF and the battery is removed before changing blades.
- Locate the blade release button on the trimmer unit.
- Press the blade release button and slide the current blade assembly off the unit.
- Select the desired blade (hedge trimmer or grass shear).
- Align the new blade assembly with the gear mechanism on the trimmer unit.
- Push the blade assembly firmly until it clicks securely into place.
- Always attach the appropriate blade cover when the blade is not in use or for storage.

Figure 3.1: Blade Change Procedure
3.3 Installing the Battery
- Ensure the trimmer is switched off.
- Slide a charged 20V battery into the battery slot on the trimmer unit until it clicks firmly into place.
- To remove, press the battery release button and slide the battery out.
4. Operating Instructions
4.1 Starting and Stopping the Tool
The blskby trimmer is equipped with a dual-lock safety system.
- To start the tool, first press and hold the safety lock button.
- While holding the safety lock button, press the trigger switch. The blades will begin to move.
- To stop the tool, release the trigger switch. The blades will stop.
4.2 Adjusting the Head Angle
The trimmer head can be adjusted to 15°, 30°, or 45° for optimal comfort and access.
- Ensure the tool is OFF and the battery is removed.
- Locate the head adjustment button/lever.
- Press the button/lever and rotate the head to the desired angle.
- Release the button/lever, ensuring the head locks securely into position.
4.3 Trimming Techniques
Always wear appropriate safety gear, including eye protection and gloves.
- Hedge Trimming: Use the hedge trimmer blade for shaping hedges, bushes, and light branches. Move the tool in a smooth, sweeping motion. Avoid cutting branches thicker than 0.31 inches.
- Grass Shearing: Use the grass shear blade for edging lawns, trimming grass around obstacles, and removing weeds. Hold the tool at a slight angle to the ground for a clean cut.
- Battery Management: With two batteries included, alternate between them to ensure continuous operation. Monitor the LED indicator on the battery to know when to swap and recharge.

Figure 4.1: Trimming Results (Before & After)
5. Maintenance
Regular maintenance ensures optimal performance and extends the life of your tool.
5.1 Cleaning the Blades
- Always remove the battery before cleaning.
- Use a stiff brush or cloth to remove debris, sap, and grass clippings from the blades.
- For stubborn residue, a mild detergent solution can be used, followed by thorough drying.
- Apply a light coat of machine oil or blade lubricant to the blades after cleaning to prevent rust and ensure smooth operation.
5.2 Battery Care
- Store batteries in a cool, dry place away from direct sunlight and extreme temperatures.
- Do not store batteries in a discharged state for extended periods. Recharge them periodically if not in use.
- Do not attempt to open or modify battery packs.
5.3 Storage
- Ensure the tool is clean and dry before storing.
- Always attach the blade covers to both the hedge trimmer and grass shear blades.
- Store the tool and batteries in a secure, dry place out of reach of children.
6. Troubleshooting
If you encounter issues with your blskby 2-in-1 trimmer, refer to the table below for common problems and solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| Tool does not start | Battery not charged or improperly installed. Safety lock/trigger not engaged correctly. | Ensure battery is fully charged and securely installed. Press safety lock and trigger simultaneously. |
| Blades not cutting effectively | Blades are dull or dirty. Material being cut is too thick. | Clean and lubricate blades. Sharpen or replace blades if dull. Do not attempt to cut material exceeding 0.31 inches. |
| Tool stops during operation | Battery is low or depleted. Overload protection activated. | Replace with a charged battery. Reduce cutting load. Allow tool to cool down if it overheats. |
| Blades are jammed | Debris caught in blades. | Remove battery. Carefully clear debris from blades using a non-metallic object. |
If the problem persists after attempting these solutions, please contact customer support.
7. Specifications
| Feature | Detail |
|---|---|
| Model Number | A4-0006 |
| Power Source | Battery Powered |
| Battery Voltage | 20V (2 batteries included) |
| Hedge Blade Length | 8.67 inches |
| Grass Shear Blade Length | 5.12 inches |
| Max Cutting Thickness | 0.31 inches |
| Item Weight | 1.5 kg (with battery) |
| Product Dimensions (L x W x H) | 12L x 9W x 30H centimetres |
| Blade Material | Alloy Steel |
| Material | Alloy Steel, Plastic |
| Adjustable Head Angles | 15°, 30°, 45° |
| Country of Origin | China |
8. Warranty and Support
8.1 Manufacturer's Warranty
This blskby product comes with a 1-year manufacturer's warranty from the date of purchase. This warranty covers defects in materials and workmanship under normal use. It does not cover damage resulting from misuse, abuse, neglect, accident, alteration, or unauthorized repair.
8.2 Customer Support
For any questions, concerns, or assistance with your blskby 20V 2-in-1 Cordless Hedge Trimmer and Grass Shear, please contact our customer support team. We are committed to providing support within 24 hours.
Please refer to your purchase documentation or the blskby official website for specific contact details.