Williams Ratcheting Combination Wrench, Standard Stubby, Measurement System: Metric, 9 mm Wrench Opening, 12 Points, 80 Geared Teeth, 93 mm Overall Length, 15 deg Offset, 20 mm Open End Width, 4 mm Open End Thickness, 20 mm Box End Width, 8 mm Box End Thickness, Alloy Steel, Polished Chrome.