Bride component steps over coils to provide maximal clamping force spiral hose Simply turn the key to expand and release band hose clamp Made from zinc plated hardened steel Expands from 1-3/4" to 2-3/4"”. Fits standard 2-1/2” hose Includes five (5) Easy Release thumb screw hose clamps

These tool-free hose clamps ensure maximal connectivity of spiral hose to fittings. The unique bridge component steps over coils in right-hand spiraling dust hose, allowing all clamping force to transfer directly to the connection. Attach hose to a wide variety of fittings quickly and easily without tools. Simply turn the thumb screw to expand and release the hardened steel band. Expands from 1-3/4" to 2-3/4”. Set includes five (5) Easy Release thumb screw hose clamps. Fits standard 2-1/2” hose.