Supplied in boxes of 100 individually packed sterile and available in two sizes. Suitable for all standard catheters and tubes. The tapered design gives a positive fit. The head of the spigot is flanged to provide maximum grip and to assist withdrawal of the spigot from the catheter. Small size 50 x 10mm diameter at top end, fits 3 - 8mm. Large size 50 x 13mm diameter at top end, fits 4 - 12mm.