Marine Grade 316 Stainless steel , double bolt, hex cap, super tough hose locking clamps. with aircraft locking nuts. Set of four pieces. Size 110-120 is for hose connections.
CNC machined, hard anodized, aluminum alloy outer bearing race and hose connection barb.
116mm inner diameter smooth bore inside and out for the lowest drag in the water and the smoothest fastest flow on the inside. Polyurethane coated inside and out for wear resistance and strength. Outside laminated covering prevents, fiber abrasion, mold in the fabric, water soak, and coral rips. Triplex weave polyester high tensile strength custom woven sock.