Philips Round Clip-On (Shade 5)

Round Clip-on Frames #5 are constructed of stainless steel for extra strength and durability. Has spring loaded mechanism for easy application and removal of frame while maintaining polarized axis. Has covered hooks to protect frame eyewire and Rx lenses. Boroscopic (GREEN ACE) Glass utilizes rare earth oxides in its composition to provide filtration. This glass is very efficient in filtering sodium flare in addition to providing excellent ultraviolet and infrared protection. The ACE glass is becoming a preferable choice of lamp workers. It is very comfortable for viewing under high ambient light conditions such as when working with glowing heat sources for a duration of time.