These 44mm drive shafts provide Improved durability and efficiency. They're made for usage with all the move shaft caps in Item 54921. There is also a fluorine finish sent applications for super smooth operation. • 44mm Drive Shafts x2 • Shafts are crafted in durable metal with a fluorine area coating for minimal friction. • Needle pin parts are actually 10.8mm (1mm longer than on past shafts), to obtain many away from swing shaft limit option components. • Compatible with double cardan joint shafts using caps from Item 54921.