Breeze Power-Seal® Perforated Hose Clamp, #8, 10/box A general-purpose automotive and industrial worm-drive hose clamp with arcial perforations for added strength. 1/2 band with arcial perforations, quadra-lock construction, SAE standard J1508 type F, 5/16 hex screw, 1/2 band, and two-piece housing all in 316 stainless steel.