Non-Slip Worm Gear Hose Clamps#4, 5/16″ to 1/2″(8-13mm) #4(5/16 To 1/2)Mini 12
All 304 Stainless Steel: The screw, band and buckle housing are made of 304 SS. Heavy Duty: The bottom of housing is welded to increase breaking torque by 60%. The non-perforated band prevents deforming and stripping if over-torque.