Dixon DL14 Zinc Plated Iron Double Bolt Clamp without Saddle, 1-40/64" to 1-52/64" Hose OD Range A rugged, plated iron 2 bolt clamp with machine bolts and hex nuts Made from plated iron Inner surface has dual gripping ridges Hose OD range: 1-40/64" to 1-52/64" Bolt lugs are reinforced to prevent bending out of alignment