Introduction
This manual provides instructions for the safe and effective use of your Amtech S0150 2pc Snap-Off Blade Retractable Knife Set. Please read thoroughly before use to ensure proper handling and to maximize the lifespan of your tools. This set is designed for precision cutting of soft materials and various craftwork.
Safety Information
WARNING: This product is not for sale to people under the age of 18. Proof of age and a signature will be required on delivery.
- Always handle blades with extreme care. Keep fingers and other body parts away from the blade edge.
- Always retract the blade fully into the handle when the knife is not in use.
- Store knives in a safe place, out of reach of children and unauthorized users.
- Wear appropriate personal protective equipment (PPE) such as safety gloves and eye protection when using or performing maintenance on the blades.
- Do not use excessive force when cutting, as this can cause the blade to break or slip.
Product Overview and Components
The Amtech S0150 set includes two retractable utility knives, one large and one small, designed for various cutting tasks. Each knife features a snap-off blade mechanism for maintaining a sharp edge and a retractable design for user safety.

Image: Amtech S0150 2pc Snap-Off Blade Retractable Knife Set in its retail packaging, showing both the large and small knives.
Included Components:
- 1 x Large Snap-Off Blade Retractable Knife
- 1 x Small Snap-Off Blade Retractable Knife

Image: Close-up view of the large and small Amtech S0150 snap-off knives, highlighting their design and retractable blades.
Setup
The Amtech S0150 knives come pre-assembled with blades installed and are ready for immediate use after unpacking.
- Carefully remove the knives from their packaging.
- To prepare for use, gently push the slider button forward with your thumb to expose the blade.
- Ensure the blade is securely locked in position at the desired length before beginning any cutting task.
Operating Instructions
Follow these steps for safe and effective operation of your Amtech snap-off blade knife:
- Extend the Blade: Push the slider button forward with your thumb to extend the blade. Only expose the necessary amount of blade for your task.
- Perform Cutting: Place the material to be cut on a stable, protected surface. Apply firm, even pressure to the knife and cut away from your body. Always use a cutting mat or sacrificial surface underneath your work.
- Retract the Blade: After completing your cut or when the knife is not actively being used, push the slider button backward until the blade is fully retracted into the handle. This is crucial for preventing accidental injuries.
Maintenance
Proper maintenance ensures optimal performance and safety of your knives.
Snapping Off Dull Blade Segments:
When a blade segment becomes dull, you can snap it off to reveal a new, sharp edge. This process should be done with extreme caution.
- Extend the blade slightly so that the dullest segment is exposed.
- Carefully remove the cap from the end of the knife handle. This cap often has a slot designed for snapping blades.
- Insert the dull blade segment into the slot on the cap.
- While holding the knife firmly and pointing the blade away from your body and others, snap the dull segment downwards.
- Dispose of the snapped-off blade segment safely in a puncture-proof container, such as a dedicated blade disposal unit or a thick plastic bottle.
Blade Replacement:
While the snap-off feature extends blade life, eventually the entire blade will need replacement. Consult the manufacturer's website or product packaging for compatible blade types and detailed replacement instructions. Ensure you use only blades designed for this specific model.
Troubleshooting
If you encounter any issues with your Amtech S0150 knife, refer to the following troubleshooting guide:
- Blade does not extend or retract smoothly:
- Check for any debris, dust, or obstructions in the blade channel. Clean if necessary.
- Ensure the blade is correctly seated within the mechanism.
- If the blade itself is bent or damaged, it may need to be replaced.
- Blade wobbles during use:
- Ensure the blade is fully extended and securely locked into position by the slider mechanism.
- Verify that the blade is properly seated in the knife's housing.
- If the wobble persists, the knife's internal mechanism may be worn. In such cases, replacement of the knife is recommended for safety and precision.
Specifications
| Feature | Detail |
|---|---|
| Model | S0150 |
| Brand | Amtech |
| Material (Handle) | Plastic |
| Material (Blade) | Stainless Steel |
| Handle Type | Manual-Retractable |
| Included Components | 2pc Snap-Off Blade Retractable Knife Set |
| Global Trade Identification Number (GTIN) | 05032759024513 |
Warranty and Support
Amtech provides a 3-year product guarantee for genuine Amtech products. This warranty covers manufacturing defects under normal use.
For product advice, technical support, or warranty claims, please refer to the manufacturer's official website or contact their customer service department. Please note that Amtech warranty and service terms are only applicable to genuine Amtech products.
Official Website for Support: www.amtechdiy.com/knowhow





