This Black and Red variant of the Sealey 72 Piece Adhesive Lined Heat Shrink Tubing Assortment offers practical colour-coding options for electrical installations where circuit identification is crucial. The combination of black and red tubing is particularly valuable for automotive, marine, and industrial applications where distinguishing between positive and negative connections, or different circuit types, enhances safety and simplifies troubleshooting. The dual wall adhesive construction delivers waterproof and moisture-resistant protection, making these tubes ideal for exposed or harsh environment installations. Covering sizes from Ø2.4mm to Ø12.7mm, this mixed colour assortment accommodates various wire gauges. The 3:1 shrink ratio activates at 90°C for reliable, secure connections. Features and Benefits: • Mixed black and red colours enable effective circuit identification and colour-coding • Dual wall adhesive provides waterproof and moisture-resistant sealing • RoHS compliant for environmental safety and regulatory compliance • 3:1 shrink ratio ensures tight, secure fit around connections • 72-piece assortment with comprehensive size range from Ø2.4mm to Ø12.7mm Specifications: Brand: Sealey Contents: (Approximate Quantity) Ø2.4 (x18), Ø3.2 (x18), Ø4.8 (x12), Ø6.4 (x12), Ø9.5 (x6), Ø12.7 (x6) Nett Weight: 0.18kg Length: 200mm Size (Approximate Quantity): Ø2.4 (x18), Ø3.2 (x18), Ø4.8 (x12), Ø6.4 (x12), Ø9.5 (x6), Ø12.7 (x6)