PENTAX EYEWEAR EN 166 F ZT100 BLACK 57-15 125-150mm SAFETY EYEGLASSES 176M

Sizing: Not sure what size glasses you need?. Look at the inner arms of the glasses and you should see 3 numbers. The number order is as follows: LENS WIDTH-BRIDGE WIDTH-ARM LENGTH. Disregard them as they are not a part of the glasses make or model.

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