GPL500 Series Premium Goggle with Detachable Face Shield, Blue Frame, AF, Clear no checkout Proprietary steel and heat treat Proprietary steel and heat treat process yields greater strength and longer bit life Cutting edge machining process results in tighter tolerances and superior product consistency Provide a better and more consistent fit to fasteners Back of saw blade can be used to mark 45° and 90° angles 3 sided tooth design cuts wood 50% faster than conventional saws Fits in most tool boxes fit and safety Made with indirect vents for added protection from dust and chemical splash Optically correct lens delivers and exceptional panoramic view Extra wide flame retardant strap is swivel mounted to goggle for easy positioning Special anti fog coating guarantees a safe and fog free working environment Ultra soft body design conforms to your face for superior comfort