Motion Pro is dedicated to producing the most versatile, unique and durable products for professional and home use. Motion Pro tools are designed to be simple to use, yet durable enough to withstand the harshest conditions. One of their goals is to offer tools of convenience. Do it right the first time with Motion Pro Tools. For use on all 1998 and later Harley-Davidson® Big Twin models excluding applications with hydraulic clutches. Deep socket allows tool to recess into clutch basket and can be driven with 11/16" combination wrench or adjustable wrench. Through hole allows access with hex wrench to hold clutch adjuster screw while simultaneously tightening the adjuster lock-nut. Heavy-duty tool for shop or home use. Compact design fits easily in the saddlebag or tool wrap.