This is a Rockland RHC2 JRB416 Coupler for a 644K!! Equipment includes: JRB416, hydraulic cylinder, hose leads, made in America, hose mount tab, never been mounted brand new! Give us a call or come in and see it for yourself. Give us an opportunity to provide you with a solution to your agricultural needs and you, the American farmer, will succeed. Equipment located in Fruitland ID.