8mm Silver Seal, 10mil PTFE Lined

N 11 Aluminium crimp cap, red, center hole Natural Rubber/Butyl red-orange/TEF colourless Hardness: 45° shore A Thickness: 1.0mm pack of 100

N 8 Aluminium crimp cap, silver, center hole pack of 100

11mm Clear Poly Crimp™ Seal, PTFE/Silicone Lined [Patented]