Product Description These Draper HI-TORQ metric double ring ratchet spanners are forged from chrome vanadium steel that is hardened, tempered, fully polished and mirror chrome plated for corrosion protection. Both ring ends have a 90-tooth ratchet mechanism, and the 4° movement enables use in tight spaces. The 12-point HI-TORQ delivers maximum leverage by transferring torque to the flats and preventing slipping or damage to the fastener. This six-piece set contains the full range. A 90-tooth ratchet mechanism on each end The 4° movement enables use in tight spaces Forged from chrome vanadium steel that is hardened, tempered, fully polished and mirror chrome plated Optimal leverage through 12-point HI-TORQ ring end This set contains the full range