50pcs 5.0mm X 100mm Polyolefin Heat Shrink Tubing 2:1 Ratio Component Tube Shrinkable 50% Shrinkage Insulator Electrical Wire Cable Tool Set - Etsy Canada
TECHFLEX HEAT SHRINK TUBING, 0.24 IN ID BEFORE SHRINKING, 0.12 IN ID AFTER SHRINKING, 200 FT L - All Purpose Heat Shrink Tubing - WWG2RMA9 | H2N0.25BK - Grainger, Canada