KM PackagingProductPP15/302Closure PP15/302 from KM Packaging has a star-shaped spike and is an ideal cap for aluminium tubes
KM PackagingProductPP9K/2108FClosure PP9K/2108F from KM Packaging is an ideal cap for aluminium tubes
KM PackagingProductH7Z/3Closure H7Z/3 from KM Packaging is an ideal cap for aluminium tubes with a tamper evident cap suitable for cannula 409.