11mm open top Silver Aluminum Seal

11mm Blue Seal, Clear PTFE/Butyl Rubber Lined

Vial,2ml ,12×32mm，Amber，Crimp top,with graduation

N 13 Aluminium crimp cap, silver, center hole Butyl dark grey/centrical PTFE-lamination grey Hardness: 50° shore A Thickness: 2.0mm pack of 100