This professional heat shrink tubing set is perfect for protecting the point of connection from any kind of elements. Features: Includes 328pcs heat shrink tubing, fitting for various needs. 8 sizes and 5 colors in total. Flexible after shrinked, shrink ratio: 2:1. Shrink temperature: start at 70°C; shrunk completed at 110°C. Perfect for protecting the point of connection from any kind of elements. Specifications: Color: yellow + red + blue + dark green + black Quantity: 328pcs, 164pcs (optional) 328pcs: 120pcs * 1.0 * 40mm yellow/red/dark green/black 60pcs * 2.0 * 40mm yellow/red/blue/black 32pcs * 3.0 * 40mm yellow/red/dark green/black 32pcs * 4.0 * 40mm yellow/red/blue/black 32pcs * 6.0 * 40mm yellow/red/dark green/black 20pcs * 8.0 * 80mm yellow/red/blue/black 16pcs * 10.0 * 80mm yellow/red/dark green/black 16pcs * 14.0 * 80mm yellow/red/blue/black 164pcs: 60pcs * 1.0 * 40mm yellow/red/dark green/black 30pcs * 2.0 * 40mm yellow/red/blue/black 16pcs * 3.0 * 40mm yellow/red/dark green/black 16pcs * 4.0 * 40mm yellow/red/blue/black 16pcs * 6.0 * 40mm yellow/red/dark green/black 10pcs * 8.0 * 80mm yellow/red/blue/black 8pcs * 10.0 * 80mm yellow/red/dark green/black 8pcs * 14.0 * 80mm yellow/red/blue/black Shrink ratio: 2:1 Package size: Approx. 15 * 7 * 5cm / 5.9 * 2.75 * 1.97in Package weight: 328pcs: 76g / 2.7ounce 164pcs: 48g / 1.7ounce Package List: 328 * Heat Shrink Tube