SummitLink 520 Pcs Assorted Heat Shrink Tube 5 Colors 10 Sizes Tubing Wrap Sleeve Set Combo 520pcs of assorted heat shrink tubing in 5 colors and 10 sizes. Sizes: 1mm, 2mm, 3mm, 4mm, 5mm, 6mm, 8mm, 10mm,12mm,14mm Covers all gauges of wires you'll need in RC hobbies and many other applications.