This hose clamp has a quick action lever, to lock it in place allowing the hose to be released from one machine and clamped onto the next one instantly. In addition the design features a bridge which steps over the wire helix inside the hose, giving a truly powerful grip. A worm drive, adjustable by screwdriver can be used to fine tune the clamp to your machines and the type of hose you are using. For use with 100FLEX hose or any 100mm internal diameter hose with right handed turn.