Hilco OnGuard OG-240S Replacement Nose Bridge Safety Glasses 57mm 61mm

ONGUARD RX SAFETY EYEWEAR ITEM----------Bridge replacement 1pc FITS ONGUARD MODEL NUMBER----------OG 240S WILL FIT ONGUARD FRAME SIZE-----------57mm x 15mm x 135mm OR 61mm x 15mm x 135mm MATERIAL----------Nylon STANDARDS----------ANSI Z87.1 CSA Z94.