Box End Wrenches from Williams Industrial Brands Tools at Heights have SUPERTORQUE® have box opening design that allows application of higher torque without rounding or deforming hex fastener points. No contact is made at the corners. Instead, wrenching forces are placed on the flat surfaces behind the points. 10° offset box end allows clearance in tight areas. Sizes are cleanly marked on handle ends Wrench with safety coil - Secure lanyard attachments need to withstand tough site use, including low temperature, so structural integrity is critical. Slides out of the way along the wrenches handle to provide full use of the handle and achieve greatest leverage.