1. Secure Fit: The stopper features anti-slip lines for manual tightening. Its nylon inner sleeve ensures a firm lock, preventing loosening and minimizing wear on the drill’s locking mechanism. 2. Durable Construction: The limiter’s outer body is made of lightweight, corrosion-resistant aluminum alloy, offering strength and aesthetic appeal. 3. Adjustable Inner Diameter: The stopper’s inner diameter is adjustable (2–5 mm), allowing secure positioning at multiple depths on the drill bit. 4. Precise Depth Control: Enables accurate drilling depth control, improving work quality and efficiency. 5. Versatile Use: Suitable for drilling into wood, plastic, metal, tile, brick, and furniture installation. Item Type: Adjustable Drill Stop Collar Material: Aluminum Alloy Color: Red Specifications: 2–5 mm Package Contents: 1 × Drill Depth Stop Note: Color may vary slightly due to screen settings and lighting conditions. Measurement tolerance: ±1–3 mm.