The Bessey 3100398 Spindle Service Part is a necessary replacement part for your BESSEY and JET clamps. It allows you to keep your clamps in good working order so that they can hold strong and steady during use. This spindle service part will ensure that your clamping equipment works as it should, allowing you to get the job done right. The Bessey 3100398 Spindle Service Part is an affordable way to maintain or replace the parts of these high quality clamps.