Starrett PT99419 Bezel / Crystal Assembly for 25 Series Indicators - NEW STYLEWill also fit in the 673 Series Bench MicrometerHas clip mechanism to stay attachedThis item is plasticIN STOCKWe are an old hardware store with lots of rare & vintage items - in Starrett, Brown & Sharpe, Mitutoyo and many other brands. Please inquire!PLEASE NOTE: WE ARE CLOSED ON SATURDAYS & SUNDAYS AND THEREFORE MAY NOT ALWAYS RESPOND TO OFFERS.