Transform your woodworking precision with this comprehensive 8-piece drill bit limit ring set. Ranging from 3mm to 16mm, these depth stop collars ensure consistent, accurate drilling depths every time. The set includes a handy hex wrench for secure adjustments, making it perfect for cabinet making, furniture assembly, and general woodworking projects. Each black oxide-coated ring features a reliable set screw that locks firmly in place, preventing unwanted shifts during operation. The collars are compatible with standard drill bits and help eliminate guesswork when creating pilot holes or working with precise specifications. This versatile set helps protect your work surface from over-drilling while maintaining professional-quality results in your woodworking projects.