Non-Slip Stainless Steel Worm Gear Hose Clamps 5/16 to 1/2″(8-13mm) | SAE Size 4
The non-perforated band prevents deforming and stripping if over-torque. Welded worm housing increases the strength of the hose clamp by 60%. All 304 Stainless Steel: The screw, band and buckle are made of premium 304 SS.