Accessory 타입 = Blanking Plug Tube Size = 20mm Threaded Connection - Thread Size = 1/2in The Festo blanking plug B-1/2-20 as per DIN 908, with sealing ring. It has container size 20 and conforms to standard DIN 908.Nominal tightening torque 14 Nm Tolerance for nominal tightening torque ± 20 % Product weight 43 g