GearWrench 8921 Drive Pass Thru™ 6 Point SAE/Metric Tool Set, 3/8", 21 Piece

Up to 50% thinner head Profile than conventional ratchet systems 5 Degree ratcheting arc Up to 40% stronger than traditional ratchets by eliminating drive tang Pass-thru ratchet & Socket system eliminates the need for deep sockets Dual material Comfort grip handle