3M 171021 MAGNIFYING LENS

Give you a closer, clearer view of your weld Magnifies objects by up to 3 times the normal power (depending upon model selected) Designed for use with Speedglas welding helmets Installation is easy and secure For older 3M™ Speedglas™ Welding Helmet Series 100 the magnifier holder is sold separately For 3M™ Speedglas™ Welding Helmet SL you’ll need to add the holder for magnifier as a separate spare part