URBEST 328 Pcs Assorted Heat Shrink Tube 5 Colors 8 Sizes Tubing Wrap Sleeve Set Combo (328PCS) 328pcs of assorted heat shrink tubing in 5 colors and 8 sizes. Sizes: 1mm, 2mm, 3mm, 4mm, 6mm, 8mm, 10mm, 14mm Covers all gauges of wires you'll need in RC hobbies and many other applications.