ND11 Snap Ring Vial + with Micro-Insert, 32x11,6mm, clear glass, wide openingCrimp Neck ND11 Vials with integrated Micro Insert are also available now in clear and amber glass. Vials with a barcode label can be obtained as well as pre crimped vials. Use our TopSert Micro Vial as a cost effective alternative to glass vials with fused in Micro Inserts resp. to Micro Insert with plastic spring! Their glass Micro Insert is absolutely centered in the plastic mould and pressed firmly against the septa due to its slightly exceeding