Depend on the MAXIMUM 1/2-in Drive 90-Tooth Ratchet, 13-in for longevity and durability. This ratcheting wrench has a 90-tooth ratcheting box end which is designed to require as little as 4° of swing arc to move a fastener. By increasing to tooth count from 72 teeth to 90 teeth, this ratchet spanner provides 25% better access than a standard wrench. This spanner is crafted from chrome vanadium steel for superior toughness and wear resistance. Each top-grade ratchet is engineered for high performance and superior toughness