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 : 24 - 28 To fit hose with internal size in mm (in) : 25 (1) Wire Diameter in mm : 1.8 Screw Size in mm : 5x35