All of these ratcheting wrenches are made of chrome vanadium steel and engineered to fit in a slim profile to make these the go-to wrench for daily use. Bright, full polish chrome finish easily wipes clean and resists corrosion. 1. 72-tooth ratcheting wrench gear gives you just 5 degrees of swing arc with an ultra smooth ratcheting mechanism thats a joy to use. 2. Off-corner loading design on wrench hedge end provides better grip and reduces fastener rounding. 3. Stamped with the tool size on each end and both sides of the spanner as well as each pocket of the pouch, so you will easily recognize the ratcheting wrench. 4. Equipping a heavy-duty canvas rollup pouch with wrench placement for easy carrying and access to the wrenches. 5. Package include:12-piece SAE ratchet combination wrenches:1/4", 9/32", 5/16", 11/32", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16". This wrench set is equied with 3pcs socket adapters (1/4"3/8"1/2"and1pc bit adapter(1/4").