Makita has a deep line-up of drilling, driving and fastening tools and accessories. The Makita 3-piece Countersink with drill bit set with hex wrench (A-99661) is engineered for drilling pilot hole, countersinks and counterbores in one easy operation. The drill bit can be adjusted the desired drilling depth, and the 1/4”' hex shank fits in impact drivers and driver-drills. The 3-piece set includes #6, #8 and #10 countersinks plus a hex wrench.