5PCS Shank Countersink Drill Bits Set Screw Chamfer Hole Opener B

Specially designed steel countertops countersinks or pilot hole punching counters. Adjustable counter sleeve depth with Hex wrench. The standard hex is fast change compatible. Drill and countersink for wood screws without changing bits. The drilling length can be adjusted for various screw lengths simply by loosening and tightening the setscrew. Style: B Colour: color Material: HSS Package Contents: 5 * Drill bits 1 * Wrench Only the above package content other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.