GEARWRENCH 1/4 Drive Standard & Deep SAE/Metric Mechanics Tool Set 51 Black. Item Weight: 440 Grams. Item Package Quantity: 1. 90-tooth gear delivers a 4° swing arc to turn a fastener in tight confines. Includes a thumbwheel ratchet for access to tight spaces. Sockets feature off-corner loading design to reduce fastener rounding.