9-15-16 -11-3-8 Double BoltThe 9 15 16 11 3 8 Double Bolt is a heavy duty hose clamp designed to provide superior clamping force and a secure, leak proof seal on large diameter hoses. The iron construction ensures durability and resistance to high pressure applications, making it ideal for industrial, agricultural, and heavy duty applications. Specification Value TYPE Double Bolt DESIGN Double Bolt Design provides a strong, even clamping force MATERIAL Ductile Iron ensures long