Double wire hose clips to fit most pond corrugated hose The clips are designed to clasp the hose between the hose ribs. Each clips has a screw attachment making it easier to adjust to fit snugly on the hose Clip Size in mm : 37 - 42 To fit hose with internal size in mm (in) : 38/40 (1.5) Wire Diameter in mm : 2.2 Screw Size in mm : 6x45