HYDRA-SNAP WITH LEVEL-UP: This multi-unit system utilizes our patented spiral lock technology for a fast and hassle-free connection. The integrated collar style couplers are self-aligning, keyed plate to prevent getting the hoses mixed up; easily position it into housing and rotate lever to couple all the hoses at once. This assembly has the integrated Level-Up hydraulic self-leveling valve which keeps the bucket leveled when raising the loader.(2 and 3 spool units available)