Megapro 15 in 1 ShaftLOK driver Part # 151SL44

Locking Shaft eliminates the hassle of bits falling out of the shaft when getting partially "stuck" in the fastener as the driver is pulled back away from the fastener! shaft diameter is almost 50% narrower than standard quick change chucks, allowing the shaft to reach into narrow openings! Contains following bit load, F4D4-6, P4D0-3, P4D1-2, S4D0-3, S4D1-2, T4D10-15 and T4D20-25. Made in the USA