Specifications:
Material: Industrial-grade High Speed Steel (HSS)Finish Type: Black OxideDimensions (L x W x H): 5.9 x 3.9 x 1.85 inchesTool Flute Type: SpiralCountersink Drill Sizes: 7/64, 9/64, 11/64, 3/16, 7/32Wood Plug Cutter Sizes: 1/4", 3/8", 1/2", 5/8"

Features:
1.Premium Material for Longevity:Crafted with industrial-grade high-speed steel and nitride-treated surface finish, this set minimizes wear and optimizes performance compared to standard carbon steel drill bits.2.Adjustable Depth Control:Easily adjust drill lengths using the included allen wrench to achieve precise pilot holes and countersinks tailored perfectly for your woodworking projects.3.Efficient Design for Smooth Application:Each countersink drill bit features sharp cutters and an 82-degree counterbore angle, ensuring fast, smooth drilling and an aesthetically well finish in both hard and soft woods.4.Versatility Across Applications:The set is compatible with hand drills, bench drills, and electric drills, catering to various tasks like cabinetry building, furniture making, and general carpentry.5.Comprehensive Woodworking Toolkit:Includes countersink drills, wood plug cutters, screwdriver bits, and essential tools, ensuring you have everything you need for your complete woodworking project in one box.

Package Included:
5 x Countersink Drill Bits (Sizes: 7/64, 9/64, 11/64, 3/16, 7/32)4 x Wood Plug Cutters (Sizes: 1/4", 3/8", 1/2", 5/8")2 x Replacement Drill Bits (Sizes: 7/64, 9/64)2 x Screwdriver Bits (Sizes: PH1, PH2)1 x Extension Bit Shaft1 x Allen Key1 x Exquisite Storage Box