Bondhus Tools Hex End L Wrench Allen Key Set Metric Imperial range from 0.050"-3/8" + 1.5-10mm. Bondhus L-wrenches are designed to eliminate burrs and help tools seat in screw head. Precision machined for superior fit and made with a durable, shock-resistant plastic handle that resists deformation even when dropped repeatedly on hard surfaces. Bondhus hex tools are up to 20% stronger, with more torque and higher wear resistance than standard steel. For faster insertion and full tool engagement in the screw head.