Universal Compatibility
Fit for 1/4" hex shank power drills and quick change chuck.
Standard hex shank allows various chuck sizes, for #5 6 8 10 12 screws holes.
Includes 5/64”, 3/32”, 7/64”, 1/8”, 9/64” countersink drill bit set and allen wrench.
Perfect Performance
Used for drilling wood, plastic, soft metal, fiberboard, particleboard, plywood. After tens of thousands of professional tests, it has better performance than the old version.