10 Pack Breeze 200-08H Aero-Seal Industrial / Aircraft Hose Clamp Effective Diameter Range: 1/2" - 29/32" (13mm - 23mm) 410 Stainless Steel Slotted Hex Screw 9/16" (14.2mm) Stainless Steel Band Original patented worm-gear clamp Heavy-duty four piece Quadra-Lock construction used for aircraft and heavy-duty industrial applications