Hilitchi 504pcs Assorted Heat Shrink Tube 5 Colors 9 Sizes Tubing Wrap Sleeve Set Combo High quality heat shrink tubing! 504pcs of assorted heat shrink tubing in 5 colors and 9 sizes. Sizes: 1mm, 2mm, 3mm, 4mm, 6mm, 8mm, 10mm,12mm, 14mm. Covers all gauges of wires you'll need in RC hobbies and many other applications.