Expert Quality, forged from chrome vanadium steel hardened, tempered and chrome plated for corrosion protection. Polished Draper HI-TORQ® ring end offset at 15°. Jaw offset at 15°. Generally in accordance with DIN3113 Specifications. AF Size - Imperial: 1/4in. AF Size - Metric: N/A. Length: 115mm. Material: Chrome Vanadium Steel.