Upgrade your drilling game with the VEVOR Annular Cutter Set! This comprehensive 13-piece set features Weldon shank mag drill bits, ranging from 7/16" to 1-1/16" in cutting diameter and a 1" cutting depth. Crafted from durable M2AL HSS, these bits ensure precision and longevity. The set includes 2 pilot pins for enhanced stability, a handy hex wrench, and a portable case for easy storage and transport. Perfectly designed for use with magnetic drills, this cutter set is ideal for professionals and DIY enthusiasts alike, making your drilling tasks efficient and effortless!