[Fast drilling]Drill with countersink The build quality of the tool is solid, with smooth rotation and precise depth adjustment.The engraved markings make it easy to set the correct depth,allowing you to position the countersunk screws flush with the surface or slightly deeper if desired.Setting the depth requires no tools; simply rotate the body. [4-Piece Countersink Set]Wood drill bits with countersinks. The countersink set includes four different sizes: 2.8 x 8 mm, 3.2 x 8 mm, 3.5 x 10 mm, and 4 x 10 mm (this is a third-generation model, an improvement over older designs). [Aluminum Limiter Ring]The countersink drill bit features a gold-colored aluminum limiter ring to prevent scratches. Beneath the limiter ring is a green anti-scratch rubber pad. The green rubber pad will not damage the workpiece. These descriptions emphasize the product's durability and the protection of the material surface! [Adjustable Depth Countersink Set]The four drill bits can be inserted into the bit holder as needed. The drill bits have a fixed countersink that can be adjusted in depth. The bit holder also has a depth stop that can be precisely set. [Wide Range of Applications]Pre-drill with countersink, countersink drill bit set for wood. Suitable for natural wood, chipboard, fiberboard, plywood, and MDF. It is a very complete set of tools that allows you to create countersinks very precisely and easily. Color: As Shown Material: Metal Package Contents: 1*Countersink drill 4*Drill bit 1*Wrench Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.