Quick Release Clamps For Sign Mouting and HVAC SystemsSnaplock quick release style worm drive hose clamp is fast opened and closed.Installation is easier, especially in closed systems where the clamp must be opened to be applied.Band: 1/2" Wide, 0.60mm Thick, AISI 201 SS or AISI 301SSHousing: AISI 201 SS or AISI 301SSBridge: 410 SS, Heat treatedScrew: AISI SAE 1018 Carbon SteelAvailable in Black Power Coating and Silver ColorOther sizes available upon requestPopular sizes:WD-QR500104 2" to 7" (51-178mm)WDQR500128 2" to 8-1/2"( 51-216mm)WD-QR500152 2" to 10" ( 51-254mm)WD-QR500188 2" to 12-1/4" (51-311mm)