Features quick and easy accessory changes with Quick Change accessory system. Hex shank locking system prevents bits from slipping. Rapid load holder fits all brands of corded/cordless 3/8" or1/2" drills. Includes (1) each: Rapid load holder (corded), #1, #2 Philips, #2 Square Recess, #8 , #10 Slotted. INSERT BIT SETS POWER BIT ASSORTED 6-PIECES