Hardened and heat treated high quality drop-forged steel. Precision ground, fully polished offset jaws with Metric calibration for accuracy. Black phosphate finish for long term corrosion resistance. Slim raised lip style handle with hanging holes for alternative storage. Features & Benefits:Hardened and heat treated high quality drop-forged steel.Precision ground, fully polished offset jaws with Metric calibration for accuracy.Black phosphate finish for long term corrosion resistance.Slim raised lip style handle with hanging holes for alternative storage.Set of four containing 150, 200, 250, 300mm wrenches.Jaw Capacity: 19, 24, 27, 34mm.Lifetime guarantee*.Model No. AK9567 Specifications: Model No AK9567 Brand: Premier Jaw Capacity: 19, 24, 27, 34mm Lengths: 150, 200, 250, 300mm Nett Weight: 1.357kg