Torin Big Red 23" Combination Metric & SAE Lug Wrench Heat treated Drop forged Made of chrome vandium steel Highly durable Features S.A.E size of 0.88 inch, 0.94 inch, 1 inch , 1.06 inch and metric size of 0.88 mm, 0.94 mm, 1 mm and 1.06 mm Heat treated Drop forged Made of chrome vandium steel