Vials and caps | Chromatography | MACHEREY-NAGEL. Conical insert inside Conical with round pedestal glass plate Flat bottom Flat bottom with conical 6.0x31.0 mm, 0.2 mL, conical, 15 mm tip, clear Content 100 Piece(s) REF 702813 $ Crimp closure, N 11, alu., center hole, Natural Rubber/Butyl/TEF, 1.0 $ , 1