READ BEFORE PURCHASE There are 2 different bolts a 36mm bolt and a 48mm (KNOW WHAT YOU NEED BEFORE ORDERING) This listing is for 36mm fly wheel socket only. Bolt part number 5140078 This tool is used to install/remove the flywheel bolt on Sportsman/Scrambler 1000 engines with the 36mm gear water pump drive (flywheel) bolt built 2016 and after. This tool is used to install/remove the flywheel bolt on Sportsman/Scrambler 850 and 1000 engines with the 36mm gear water pump drive (flywheel) bolt built 2017 and after. The tool is fit with a 3/4" socket or wrench ***NOTE THERE WAS ALSO A 48MM BOLT MADE BY POLARIS THAT USES A DIFFERENT SOCKET, THIS LISTING IS FOR THE 36MM SOCKET*** ****The bolt pictured (black) is for showing fitment and does not come with the socket when ordered.****