Crescent Drive 72-Tooth Quick Release Dual Material Teardrop Ratchet 12-1/2" Suitable for factories, production lines, repairing shop, auto repair factory, 4S shop, personal car modification, etc. The ratchet head with a soft rubber grip reduces hand fatigue & increases productivity. It features Nickel chrome plated for long lasting protection. The handle and head are made from dual material composite material for anti-rust and durability. Suitable for factories, production lines, repairing shop, auto repair factory, 4S shop, personal car modification etc.| Anti rust, wear, the overall hardening, only for more professional| Quick stripping function, the sleeve hanging is more reliable, avoiding the socket head wear and easy to fall into the maintenance space