20mm Blue magn. Cap, Nature PTFE/Blue SIL, 8mm Centre Hole, pk/100

N 11 Aluminium crimp cap, silver, center hole PTFE gray/Butyl beige/PTFE gray Hardness: 55° shore A

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

11mm Silver Seal, Clear PTFE/Red Rubber Lined