Heat treated and hardened Chrome Vanadium steel. Fully polished black chrome finish steel with machined and lacquered heads. Features include 72-tooth flip reverse ratchet with push-button quick release mechanism. Lifetime guarantee*. Features & Benefits:Heat treated and hardened Chrome Vanadium steel.Fully polished black chrome finish with machined and lacquered heads.72-tooth flip reverse ratchet wrench with push-button quick release.Lifetime guarantee*.Model No. AK7997 Specifications: Model No AK7997 Brand: Premier Black Drive: 1/4"Sq Drive Length: 140mm Nett Weight: 0.11kg Ratchet: 72T Replacement Parts: n/a