This 3 and 4 blade Propeller Puller is designed for use on propeller applications using 1-1/4" thru 1-1/2" prop shafts. This is a new puller and works well on 4 blade propellers with a 3-1/8" or less hub size and 3 blade propellers with a 2-3/8" or less hub size. Puller comes complete with all parts shown. The pulling plates are made of 3/4" aluminum and the 9-1/2" pulling studs are made from zinc plated steel.