Quick release 14;" hex shank for use in quick tool change drills. 30 piece set. Case hardened drill countersinks for longer life. Adjustable drill bit length countersinks to suit material thickness. For use in quick chuck drill tools. Flat bits for use for drilling locks. Selection of screwdriver bits to suit various screw types & sizes found when working. Supplied in heavy duty tool holder with belt loop for ease of storage & use. Flat bit 19mm for mortise locks & 25mm for tubular latches. Drill bits 3mm, 5mm & 6mm. Drill bit guide 2.8mm for hinges. Drill countersinks with 2.4mm & 3.6mm drill bits. Twelve 25mm insert bits Pozi, Phillips, slotted & hex. Three 50mm Pozi screwdriver bits. Magnetic bit holder with retractable barrel. Nut drivers for 6mm, 8mm & 10mm A/F bolts. Square drive adapters 14;" & 3/8" A/F for sockets. Set supplied in tool holder with elasticated pockets to hold quick change shank & belt strap & are hook & loop fastening.