HEAT SHRINK KIT 321UNIVERSAL; Kit Contents:PO Heat Shrink Tubing in various sizes colours & different lengths packed in compartment storage case; Covers an application range from 1mm to 20mm; Product Range:-; Accessory Type:ShrinKit 321 Universal Heat Shrink Tubing Kit; Shrink Ratio:3:1; Shrink Tubing / Boot Colour:Multiple; Shrink Tubing / Boot Material:PO (Polyolefin)