SummitLink 410 Pcs Assorted Heat Shrink Tubing Wrap Sleeve Set Combo Tube 5 Colors 10 Sizes 410pcs of assorted heat shrink tubing in 5 colors and 10 sizes. Sizes: 1mm, 2mm, 3mm, 4mm, 6mm, 8mm, 10mm, 14mm,20mm,30mm Covers all gauges of wires you'll need in RC hobbies and many other applications.