Part #:#20544 - Shade 3#20545 - Shade 5 The Hellraiser has a sleek design and is extremely lightweight. It fits a smaller profile, but can be used by all face sizes. The Hellraiser has a molded plastic nosepiece and protects from harmful UV rays. Hellraiser Features: Extremely lightweight Plastic molded nosepiece Sleek design Smaller profile 99% UV protection Shade 3.0 Lens #20544 Protects against IR radiation in welding, brazing, cutting, and soldering environments 3.0 provides medium protection Offers protection from excessive glare Provides 99% protection from harmful UV-A and UV-B rays 100% polycarbonate lenses Shade 5.0 Lens #20545 Protects against IR radiation in torch solder, torch braze, and light cutting up to 1ââ The darker shade may also be ideal for some with light sensitive eyes. Offers protection from excessive glare Provides 99% protection from harmful UV-A and UV-B rays 100% polycarbonate lenses Measurements: Temple Length: 125mm Temple Width: 133mm Lens Height: 38mm Ideal for Small to Large faces Compliance: ANSI Z87.1-2010 CE-EN 166 AS/NZS 1337 *NOTE - Welding Safety Glasses and Goggles using Shade 5 filters or lighter are not intended for arc welding, which requires a darker lens found in Welding Helmets (OSHA's 29 CFR 1910.252 lists the minimum lens shade requirements for a variety of welding operations).