The Expert E032803B 1/2 inch hinged ratchet handle has a 72 tooth mechanism, socket safety lock and a 5° increment. The ergonomic bi-material longer handle allows for stronger untightening and a reversing lever indicates the direction of rotation. The compact head is angled for better access and is finished in high chrome. The E032803B Flexible Head Ratchet has the following specifications:Length: 437mmWeight: 930g ISO 3315, DIN 3122, ISO 1174-1.