Mikalor Based in Spain manufacture a range of High Quality Hose Clamps, Including the ASFA worm Drive Hose Clamp available in 7mm 9mm & 12mm widths, SUPRA heavy Duty Hose Clamp, ASFA Constant Tension Worm Drive Clamp, ASFA Black worm drive hose clamps, Worm Drive accessories & the Mikalor Constant Tension Supra Clamp.