Lot of 10 black PVC tips Suitable for a 20x20mm tube (outside dimension of the tube) and thickness 0.8 to 2.5mm Height of the non-return part in the tube: 5mm Height of the re-entering part in the tube: 11.5mm Total height of the nozzle: 16.5mm Other dimensions and other shapes (square, round, oblong) on request Reduction of shipping costs if group purchases .
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