The high shrink ratio of Shrinkflex 3:1 heatshrink tubing ensures that the tubing will slip over large connectors or plugs and still provide a tight, professional seal when shrunk.1/4" / 6.3mm DiameterPriced per 100mm (10cm) - if you need 1 metre, buy quantity of 10 to recieve a continuous length.Ideal for single sleeved cables, eg with 2-4mm sleeving.