Milwaukee® Guard Spring is designed for dry cut machine, metal cutting saws, circular saws, cordless metal cutting saws, cordless circular saws, 18 V cordless circular saws, cordless metal cutting circular saw, 7 1/2" circular saws with Tilt-Lok® handle, 7 1/4" circular saw with Tilt-Lok® handle and electric brake, left belt circular saw with Tilt-Lok® handle, 7 1/4" worm drive circular saws, left blade 7 1/4" circular saw with Tilt-Lok® handle, 14" dry cut machine and cordless M18 Fuel™ circular saw.