The Fork Bleed Tool is a simple and economical shop tool to make cartridge fork service simple. This tool is 4-in-1 and has thread pitches of 10x1.0, 10x1.25, 12x1.0, and 12x1.25mm which will allow you to service almost any known street fork. This tool allows you to bleed the air out of the cartridge, so you can set the fork oil level properly.