This listing is for one (1) 40mm and (1) 44mm Wheel Bearing Greaser Tools. It fits All Polaris RZR 800 Models including ALL sub models such as S, EFI, XP, Etc.. manufactured from 2010 through 2014. This Slides right over the axle so that it doesn’t need to be removed. These fit all four corners (front and rear). Fits all Polaris UTV and ATV wheel bearings with a 44MM or/and a 40mm inside dimension.