• Manufactured from high quality chrome vanadium steel, fully hardened and tested to meet or exceed the ANSI (American National Standards Institute) to specifications • Strong fine gear ratcheting ring end needs as little as 5° sweep to move a fastener • The ultra small head and shank design allows the Gear Spanner to fit into the tightest of places, where a ratchet and a socket will not fit • The ratcheting ring end has Peripheral Drive™ configuration that virtually eliminates rounding of fasteners • 4 popular sizes