Features: 328 pieces, 2:1 Ratio, 1.6"/3.1" length 5 Colors: Yellow, Blue, Black, Green, Red Supplied internal diameter: 1.5mm, 2mm, 3mm, 4mm, 5mm, 6mm, 8mm, 10mm Resistant to common fluids and solvents Seals and protects Flame retardant UL certification Covers all gauges of wires you'll need in RC hobbies and many other applications Specification: Type Heat Shrink Tube Material: Polyolefin Item Color Yellow, Black, Red, Green, Blue Shrinkage Ratio 2:1 Minimum Shrinkage Temp. Approx. 70 Celsius Full Shrinkage Temp. Max. 125 Celsius Work Temp. -55~125 Celsius Dielectric Strength 15KV / mm Flammability Flame Retardant Tensile Strength 10.4 Mpa Cutting Method Scissors or sharp knife Supplied Inner Diameter 1.5mm, 2mm, 3mm, 4mm, 5mm, 6mm, 8mm, 10mm Length 40mm / 1.6", 80mm / 3.1" Quantity x Inner Diameter x Length: 120pcs*1.0*40mm (Yellow, Black, Red, Green) 60pcs*2.0*40mm (Yellow, Black, Red, Blue) 32pcs*3.0*40mm (Yellow, Black, Red, Green) 32pcs*4.0*40mm (Yellow, Black, Red, Blue) 32pcs*6.0*40mm (Yellow, Black, Red, Green) 20pcs*8.0*80mm (Yellow, Black, Red, Blue) 16pcs*10.0*80mm (Yellow, Black, Red, Green) 16pcs*14.0*80mm (Yellow, Black, Red, Blue) Quantity: 328 Pcs/ 1 Set Note: It is manual measurement, there may be 1-2mm error,please to understand. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package includes: 328 Pcs x Heat Shrink Tubing Tube