Features and Benefits:�Carbide Teeth For Longer Life & Smooth Cuts in Hard Metals�Stop Shoulder Prevents Over-Drilling - Limits Cuts to 3/16" Depth�Up to 10X Life Vs Standard Hole Saws�3 Flat Secure Grip Shank, Optimized for Drill/Drivers�Spring Loaded Pilot Bit For Fast drilling & Clean Plug Ejection�One-Piece Design For Added Durability�For Use With Drill/Drivers�Includes Cutter, Pilot Bit, and Hex Key�For Use In Stainless Steel, Mild Steel, Copper, Aluminum, and Other Metal MaterialsThe MILWAUKEE 1-1/4 in. One-Piece Carbide Cutters feature carbide teeth for longer life and smooth cuts in stainless steel and other hard metals. Each cutter features a stop shoulder design that prevents over-drilling and limits cuts to a 3/16 in. depth, while a 3-flat shank optimizes each cutter drill bit for use in Drill/Drivers. The spring-loaded pilot bit provides complete plug ejection for clean, efficient cutting of each hole. The solid one-piece design of each hole cutter provides added durability and dependability cut after cut.