Features:Replacement for 3/4" to 1-1/8" shaft diameters.Works great on Like Ski, Wakeboard, Surf propellers and other inboard with a 1-1/8" maximum shaft size,Clearance required between propeller hub and strut is 1/4"minimum..Designed to pull a 3 or 4 blade inboardski, wakeboard or surf propeller, this is a must-have tool to keep on board if you want to carry a spare prop.The prop puller tool is made steel alloy and is heat treated to increase the strength of the material.The c-clamp prop puller is a unique swivel screw tip design so it avoids damage to the end of the drive shaft.Specifications:Colour: BlackMaterial: Steel alloyShaft Diameter: 3/4" to 1-1/8"Jaws open: 3.25" to 4.5"Package includes: 1* Drive Shaft Puller, 1* NutProduct Size:20x12x5cmPackage weight:1.026g1 . Remove cotter pin2 . Install the propellerfrom shaft and lossen puller , and tighten the boltnut to a 1 / 4 in space.3 . hit the back of thepuller 2-3 times tofree prop from the shaft.4 . Remove the lock nutwhile holding thepropeller In place.Package List:1x Inboard Propeller Puller