4.50" Stainless Steel T-bolt Clamp 300 stainless steel Rounded band edges to protect soft hose materials Strong holding power by dispersing tension around entire hose Available sizes (2" to 5.50") Order 1/2" (12mm) above ID for 4 ply hose, 1/4" (6mm) above ID for 3 ply hose, (Turbofittings hoses are 4 ply)