Dual Wall Heat Shrink KIT - 85 Pieces - 3:1 Shrink Ratio - Size Range: 3/32" to 1/2" - Black Go to amazon.com Related posts Top 11 recommendation heat-shrinkable tubing Feature3:1 Ratio | 85 pieces | 4" lengths | Thin adhesive inside liner.Dual Wall | Color: Black6 Sizes: 3/32"(30 pcs), 1/8"(21 pcs), 3/16"(15 pcs), 1/4"(12 pcs), 3/8"(6 pcs), 1/"2(3 pcs)Comes with storage box