The STAHLWILLE Open/Box End Combination Wrench, No. 40081313, features a 15-degree offset on the ring side for easier use on flat surfaces and a thin-walled ring for working in tight spaces. It has an Anti-Slip-Drive profile with an additional recess in the middle of the tool for increased load capacity and strength without causing damage to screws and bolts. The tool also has a rounded finish for user grip and comfort even under oily conditions. It is available in imperial or metric ranging from 3/16"-2” and 6mm-60mm.