Protect against dangerous chip fly-back with the Guardair On-Guard Chip Shield. OSHA Standard 1910.242(b) mandates that effective chip-guarding be utilized when cleaning with compressed air. Slide the On-Guard onto a safety air gun for immediate compliance. Molded from impact resistant, clear polycarbonate, On-Guard allows an unobstructed and safe view of work surfaces. Ideal for bench-top or up-close cleaning applications. Available in three (3) versions designed to fit all Guardair PalmJet, Long John, Xtra Thrust, Whisper Jet Ultra, and ReverseForce model safety air guns. Made in USA. Extended reach models only.