Universal Fitment-- Fit for Spicer drivelines 1610, 1710, 1760, 1810, 1880,-- Fit for Meritor (Rockwell) 16N, 17N, 18N, 1710,-- Fit for Spicer SPL 140, 170, 250 "Life Series",-- Fit for Meritor RPL 20, 25 "Permalube" Series.(Designed to work with U-Joint bearing cups from 1.5" to 2.2" and will fit virtually all Class 6-8 Trucks and Machinery)Easy to UseSTEP 1 - Remove all fastners from bearing cupsSTEP 2 - Slip the U-Joint puller over the yoke of the drivelineSTEP 3 - Turn the tool's forcing screw clockwise with a hand or impact wrench(NOTE: reserve thread)The U-Joint Puller may be used with up to a 1-inch impact wrenchSTEP 4 - Once bearing cup has been removed, repeat the process on the remaining bearing cups Features1.