SummitLink 415 Pcs Black Assorted Heat Shrink Tube 10 Sizes Tubing Wrap Sleeve Set Combo 415 Pcs Black Assorted Heat Shrink Tube 10 Sizes Tubing Wrap Sleeve Set Combo 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.