Red Heat Shrink Piggyback Piggy Back Marine Wire Connectors Spades 22-16 AWG. 3/6/10 FEET Dual Wall Heat Shrink Tubing Lot 3:1 Adhesive Glue Marine Tubes. Polyolefin heat shrink butt connectors improved pullout strength, provides seal, strain relief, cable check, and insulation. Leia Mais