General description Self-adhesive heat shrink tubing is an easy-to-use solution for insulating and protecting wires, cables, connections, and components. This 200-piece set features a 3:1 retraction ratio, allowing the tubing to shrink to one third of its original diameter for optimal sealing. It effectively eliminates the issues associated with 2:1 tubing not shrinking sufficiently, making it ideal for a variety of applications including marine and automotive wiring, outdoor and home repairs, and RC hobbies. Technical specifications Retraction Ratio: 3:1 Sizes: 7 commonly used diameters ranging from 3.175mm to 25.4mm Pre-cut length: 44.45mm Installation Slide the heat shrink tubing over the connection point. Apply heat to activate the shrinkage and adhesive. Usage Repairs damaged wires. Seals out moisture. Provides better strain relief. Suitable for various applications: marine, automotive, outdoor, home repairs, and RC hobbies. Other information When heat is applied, the adhesive