fully mirror polished w4 marine grade stainless steel will last forever. Set contains enough clips to do all the hose's on your engine bay. 4 x 25-40mm (top and bottom rad hoses) 2 x20-32mm (3 way coolant hose) 2 x 16-27mm (water pump hoses) 6 x 12-22mm (oil cooler and heater hoses) 2 x 10-16mm (expansion bottle hoses) A stunning addition to any vw engine bay Check my other items for non polished sets and different sizes! and clips sold in pairs.