Package Includes: Countersink drill bit set include 5 kinds of sizes, each one with a hex key wrench.Multi Sizes: 2.8x8mm, 3x8mm,3.2x8mm, 3.5x8mm, 4x8mm, fit for using to multi size wood hole drilling.Alloy Countersink Bit: High precision, high hardness, fast cutting speed, offer the good performance for hole drilling.L-Wrench: The hex key can use to adjust counter sleeve depth and drilling depth for screws of various lengths.Applicable Material: For wooden planks, plywood, fiberboard, particleboard and other various soft material chamfers.Convenient to Store: Each drill is equipped with a plastic box for easy storage and not easy to lose.Application: Perfect for wood processing, widely used in DIY, home and general building or engineering etc.Note: Use it vertically to prevent the bit from bending or breaking.color:yellow+silverPackage5 x Drill Bits5 x L-Wrench(Note: Other accessories are not include.)