OTC Heavy-Duty Clutch Adjusting Wrench for Spicer Clutches This clutch adjusting wrench will solve the difficult, time consuming job of internally adjusting heavy-duty Spicer clutches Using this wrench, clutch adjustment is much quicker and easier than homemade alternatives Use of the correct tool prevents component damage or misadjustment High-strength steel construction ensures durabilty, high performance, and a long service life