1. Firmly Fixed: The stopper features anti-slip lines for a secure grip, allowing manual tightening. The inner nylon component ensures a tight lock, preventing looseness and reducing wear on the drill's locking part. 2. Aluminum Alloy Construction: The limiter is made of durable, lightweight aluminum alloy, offering a sleek and robust design. 3. Adjustable Inner Diameter: The stopper's inner diameter is adjustable, enabling use in multiple positions and compatibility with various drill bit sizes. 4. Precise Drilling Control: Enables accurate control of drilling depth, improving work precision, quality, and efficiency. 5. Wide Application Range: Suitable for use in furniture assembly, as well as drilling into wood, metal, plastic, tile, and brick. Item Type: Adjustable Drill Stop Collar Material: Aluminum Alloy Color: Red Specifications: 2-5mm Package Contents: 1 x Drill Depth Stop Note: Light reflection and display differences may cause slight color variation between the image and the actual item. Measurement may vary by +/- 1-3cm.