MODEL 5000 SPEEDY-LOOP PROVIDES EASY ON/OFF WELDING HELMET MOUNTING ON PROTECTIVE CAPS. FULLY ADJUSTABLE TO BETTER FIT FIBRE-METAL CAPS AND MAJOR COMPETITIVE BRANDS. MODEL 4000 QUICK-LOK PROVIDES MORE PERMANENT MOUNTING FOR LONGER TERM OR HIGH ACTIVITY APPLICATIONS. MODEL 6000 QUICK-LOK MOUNTING BLADES FOR QUICK AND EASY MOUNTING OF FIBRE-METAL WELDING HELMETS.