Wrench Pinion, -On, 8.8 Inches and 9.0 Inches, 10 and 12 , 60
tool with 24" , for -On security to pinion using U-Joint holes, the two sets of slots are .56" wide by 1.5" long and .34" wide by 1-3/8" long, used to hold the rear end pinion while tightening or removing the pinion nut
Quicker and easier way of changing pinion , re- the case or simply torquing the pinion nut