FASTPRO 3/8-Inch Quick-Release Drive Ratchet Wrenches with 72-tooth,chrome vanadium made

Chromium vanadium steel for hardness, polished and chrome-plated surface for corrosion resistance.
Reversible design is to adjust the direction of rotation.
72-tooth ratchet only needs 5 degrees to move fastener and easy to rotate in a narrow space.
Quick change mechanism for easy operation.
Ergonomic handle design helps reduce hand fatigue and slippage.