... . Cap Type:aluminium cap/ rubber closures/ Rubber stopper Crimper tool detailssize: 20mm crimpermaterial: the best stainless steel 304use: ... 1 piecefeature: made by customize, one by onethis tool is widely used in serum, insulin industry,where small ... 1 piecefeature: made by customize, one by onethis tool is widely used in serum, insulin industry,where small ... Lee 13mm ,20mm,26mm,32mm.Cap crimping tool