Features Aluminum Alloy Material: Drill stopper is made of lightweight metal aluminum material, which has strong hardness, wear resistance, high temperature resistance, better performance than plastic, and strong fixation. Firm Fixation: The surface of the drill depth stop ring has anti-slip patterns, which can be tightened manually. The nylon inner ring is easy to lock and does not loosen, which effectively avoids the wear of the locking part of the drill. Adjustable Inner Diameter Design: This drill depth stop has an adjustable inner diameter and can be fixed in different positions for precise application of different sizes of drill bits, protecting the work surfacing and anti-clog debris cavities. Precise Drilling Depth: Drill bit depth stop collar can precisely control the drilling depth to meet various usage needs and greatly improve the quality and efficiency of your work, making perfectly sized and shaped holes. Wide Range of Applications: Countersink drill depth stop ring collet has a wide range of applications and can be used for furniture installation, common tile, wood, metal, plastic, brick, etc, ideal for carpenters and woodworkers. Feature: Aluminum Alloy Material: This drill stopper is made of lightweight metal aluminum material, which has strong hardness, wear resistance, and high temperature resistance. This drill stop has a long service life, better performance than plastic, and strong fixation. Firm Fixation: The surface of the drill depth stop ring has anti-slip patterns, which can be tightened manually. The nylon inner ring is easy to lock and does not loosen, which effectively avoids the wear of the locking part of the drill. Adjustable Inner Diameter Design: This drill depth stop has an adjustable inner diameter and can be fixed in different positions for precise application of different sizes of drill bits. Precise Drilling Depth: This drill bit depth stop collar can precisely control the drilling depth to meet various usage needs and greatly improve the quality and efficiency of your work. Wide Range of Applications: This drill depth stop ring collet has a wide range of applications and can be used for furniture installation, common tile, wood, metal, plastic, brick, etc. Specification: Item Type: Adjustable Drill Stop Collar Material: Aluminum Alloy Color: Red Package List: 1 x Adjustable Drill Stop Collar (For 0.08 to 0.2in Drill Bit) or 1 x Adjustable Drill Stop Collar (For 0.24 to 0.43in Drill Bit) Note: The color of the item may be slightly different from the picture due to lighting and screen differences Package List 1 x Adjustable Drill Stop Collar (For 0.24 to 0.43in Drill Bit)