Material and design: Crafted from aluminum alloy with a nonslip surface pattern for durable, confident handling; adjustable depth range is suitable for drill bits from 3 to 13 mm. Time saving and material protection: The adjustable drill stop collar lets you quickly set and maintain your drilling depth, helping to prevent over drilling and reduce the risk of damage to workpieces. Ease of use and versatility: Designed for straightforward operation, this depth stop enhances a wide range of home improvement and woodworking tasks, making it ideal for furniture assembly, hanging fixtures, and other depthcritical drilling projects. Target users and reliability: Built for DIYers, carpenters, and construction professionals, it helps maintain uniform drill depths across various applications, delivering dependable performance. Use scenarios: Furniture assembly: drill holes at a consistent depth to ensure hardware sits flush and aligns . Hanging fixtures: set a precise drilling depth to secure anchors and achieve level mounting. Woodworking projects: establish uniform pilot or hole depths for joints, fittings, and hardware installation.