https://www.globalindustrial.com/p/cs12h-collared-screw-worm-gear-hose-clamp-12-inch-1-14-inch-clamping-diam-10-pcs
CS12H Collared Screw Worm Gear Hose Clamp, 1/2" 1-1/4" Clamping Dia. 10-Pack
CS12H Collared Screw Worm Gear Hose Clamp, 1/2" 1-1/4" Clamping Dia. 10-Pack. Usually ships in4 days. Buy it and Save at Globalindustrial.com
worm gear hose clamp