What you get - 16 Drill Depth Stop Rings across 8 sizes (2 rings per size), plus 2 hex wrenches - Self-Centering Drill Guide Depth Stop Set for accurate depth control Key benefits - Accurate depth control for repeatable drilling heights across projects - Quick and secure depth adjustment using the included hex wrenches and the set screws - Durable carbon steel construction resists wear and breakage with constant use - Self-centering design helps prevent drift, minimizes material burning, and reduces errors and waste - Efficient drilling with consistent results from project to project Why this helps you - Eliminates depth variability that leads to through holes or shallow holes - Enables repeatable drilling on multiple workpieces without re-measuring - Improves finish quality by maintaining controlled drill depth and reducing burn marks How it works - Select the desired ring size for your drill bit and material - Place the stop ring on the drill guide, then tighten the set screw with the hex wrench - The self-centering design aligns the drill and stops at the preset depth for precise holes - Swap to another ring size as needed to match different hole depths Usage scenarios - Cabinet making and woodworking: set precise depths for shelf pins, dowel joints, and screw holes to avoid through-holes and ensure uniform alignment - Furniture assembly and repairs: achieve consistent hole depth across multiple parts for a professional, snug fit - Metal or plastic fabrication: control drill depth to protect underlying layers and prevent material damage or waste Specifications and compatibility - Material: high-standard carbon steel - Configuration: 16 depth stop rings in 8 sizes (2 rings per size) - Includes: 2 x Hex Wrench - Design: Self-Centering Drill Guide Depth Stop Set stop rings for accurate depth control Notes on performance - Use the included hex wrenches to tighten the set screws for secure depth settings - The system helps prevent material surface burning, reduces drilling errors, and minimizes waste while improving efficiency