New XKG Knob XKG(65) UNC 1/2 x 16, AISI 316, Blue NBR 1024449 Height:42.00 mm (1.65")|Knob size:65.00 mm (2.56")|Material:AISI 316|Net weight:395.00 g (0.87 lbs)|Sealing material:Blue NBR|Thread size:UNC 1/2|Thread standard:UNC View