1. Introduction
Thank you for choosing the RYOBI RY18GSA-0 18V ONE+ Cordless Shaping Shears. This versatile 2-in-1 tool is designed for precise plant care, topiary pruning, and finishing small shrubs. It allows you to cut grass edges and sculpt boxwood with ease. This manual provides essential information for safe operation, setup, maintenance, and troubleshooting to ensure optimal performance and longevity of your tool.
2. Safety Information
Always read and understand all safety warnings, instructions, illustrations, and specifications provided with this power tool. Failure to follow all instructions listed below may result in electric shock, fire, and/or serious injury.
- Wear Eye Protection: Always wear appropriate eye protection, such as safety glasses with side shields, when operating the tool.
- Wear Gloves: Use heavy-duty work gloves to protect your hands from blades and debris.
- 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 handling blades.
- Secure Work Area: Ensure the area is clear of bystanders, especially children and pets, before operating.
- Inspect Blades: Before each use, check blades for damage or wear. Replace damaged blades immediately.
- Battery Safety: Use only RYOBI 18V ONE+ batteries. Do not expose batteries to water or extreme temperatures. Remove the battery when not in use or when changing blades.
- Avoid Overreaching: Maintain proper footing and balance at all times. Do not overreach.
- Store Safely: Store the tool in a dry, secure place out of reach of children.
3. Product Overview
The RYOBI RY18GSA-0 is a compact and lightweight 2-in-1 tool designed for precision gardening tasks. It features a quick and tool-free blade change system, allowing you to switch between grass shearing and plant carving functions effortlessly.
Components:
- Motor Block (Main Unit)
- 100 mm Shear Blade (for grass and fine trimming)
- 200 mm Carving Blade (for shaping and sculpting)
- Ergonomic Micro-Honeycomb Handle

Figure 3.1: Front view of the RYOBI RY18GSA-0 Cordless Shaping Shears, showing the main unit and an attached blade.

Figure 3.2: Side view of the RYOBI RY18GSA-0, highlighting its compact design and ergonomic handle.

Figure 3.3: Back view of the RYOBI RY18GSA-0, showing the battery compartment area.
4. Setup
4.1 Battery Installation
- Ensure the tool is switched OFF.
- Align the RYOBI 18V ONE+ battery (not included) with the battery port on the tool's handle.
- Slide the battery into the port until it clicks securely into place.
- To remove, press the battery release latches and slide the battery out.
4.2 Blade Attachment and Change
The RY18GSA-0 features a quick and tool-free blade change system.
- Ensure the battery is removed from the tool before changing blades.
- Locate the blade release button/lever on the tool.
- Press the release mechanism and slide the currently attached blade forward to remove it.
- Align the desired blade (100mm shear blade or 200mm carving blade) with the tool's slot.
- Slide the new blade into place until it clicks securely. Gently pull on the blade to ensure it is locked.

Figure 4.1: Close-up of the blade attachment area, illustrating the quick-change mechanism.
5. Operating Instructions
Before operating, ensure you have read the safety information and correctly installed the battery and desired blade.
5.1 General Operation
- Hold the tool firmly with both hands if possible, or with one hand on the ergonomic handle, ensuring a secure grip.
- To start the tool, press and hold the safety switch, then squeeze the trigger.
- To stop the tool, release the trigger.
5.2 Grass Shearing (100 mm Blade)
Attach the 100 mm shear blade for trimming grass edges and small, delicate areas.
- Position the blade parallel to the ground or desired cutting line.
- Move the tool slowly and steadily along the edge, allowing the blades to cut cleanly.
- Avoid forcing the tool through thick patches; make multiple passes if necessary.

Figure 5.1: A user demonstrating the use of the RYOBI shaping shears for precise grass trimming.
5.3 Plant Carving and Shaping (200 mm Blade)
Attach the 200 mm carving blade for shaping shrubs, topiary, and small hedges.
- Plan your cuts before starting, especially for intricate shapes.
- Hold the tool at an angle that allows for smooth, even cuts.
- Work in small sections, removing a little material at a time to achieve the desired shape.
- For best results, cut when plants are dry.

Figure 5.2: A user performing topiary pruning with the RYOBI shaping shears, demonstrating precision control.

Figure 5.3: A user trimming a small hedge with the RYOBI shaping shears, showcasing its versatility for shrub maintenance.
6. Maintenance
Regular maintenance ensures the longevity and optimal performance of your RYOBI shaping shears.
6.1 Cleaning
- Always remove the battery before cleaning.
- After each use, clean the blades and tool housing with a damp cloth.
- Remove any sap, debris, or plant residue from the blades using a stiff brush or a specialized blade cleaner.
- Ensure the tool is completely dry before storage.
6.2 Blade Care
- Lubrication: Apply a light machine oil or blade lubricant to the blades after cleaning to prevent rust and ensure smooth operation.
- Sharpening: If cutting performance diminishes, blades may need sharpening. This should be done by a qualified service technician or using appropriate sharpening tools.
- Storage: Store blades with a blade cover (if provided) in a dry place to protect them from damage and corrosion.
6.3 Battery Care
- Charge batteries fully before storage and periodically during long storage periods to maintain battery health.
- Store batteries in a cool, dry place away from direct sunlight and extreme temperatures.
7. Troubleshooting
If you encounter issues with your RYOBI shaping shears, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Tool does not start | Battery not installed correctly or discharged. Safety switch not engaged. | Ensure battery is fully charged and properly seated. Press safety switch before squeezing trigger. |
| Poor cutting performance | Blades are dull or dirty. Material is too thick. | Clean and lubricate blades. Sharpen blades if necessary. Do not attempt to cut material exceeding 10mm thickness. |
| Excessive vibration | Damaged or loose blade. | Inspect blade for damage and ensure it is securely attached. Replace damaged blades. |
If the problem persists after attempting these solutions, please contact RYOBI customer support.
8. Specifications
- Brand: RYOBI
- Model: RY18GSA-0 (Item model number: 5133005764)
- Power Source: 18V ONE+ Battery (Battery not included)
- Blade Material: Alloy Steel (SK5)
- Shear Blade Length: 100 mm
- Carving Blade Length: 200 mm
- Maximum Cutting Width: 10 mm
- Voltage: 18 Volts
- Item Weight: 900 Grams (1.98 pounds)
- Product Dimensions: 15 x 3.74 x 6.81 inches
- Color: Yellow
9. Warranty and Support
For warranty information, product registration, or technical support, please refer to the warranty card included with your purchase or visit the official RYOBI website. You can also contact RYOBI customer service directly for assistance with any product-related inquiries.






