... plastic(for plastic case ), screw in polycarbonatesteel, steel black bezel(two screws )with glass window Note:1.There are radial and axial for ... .U-clamp for gauges in Φ40,Φ50,Φ63 and Φ100 5.Flange Φ40,Φ50,Φ63,Φ100 and Φ160Special versions:1.With retard scale spacing ...