[Great Value Package] This set includes 678 pieces, featuring 350 pieces of wire terminals in three colors across 17 types, along with 328 pieces of 2:1 heat shrink tubing. You'll find the right connector and tubing for nearly any electrical wiring project. [Heat Shrink Tubes Characteristic] These tubes offer excellent flame retardant and insulation properties. They are soft and flexible, resistant to acid and alkali, and anti-aging. They do not produce dioxin when burned. The heat shrink tube has a shrinkage ratio of 2:1, with a shrinkage temperature of 70C, allowing for rapid shrinkingcompleted in just seconds. [Electrical Connectors] Made from tinned copper inserts and PVC insulation, these connectors are safe, , and brand . They come enclosed in a plastic case for easy access. This assortment of wire terminals is a durable collection of crimp connectors, designed for easy crimping while providing long-term performance; your wire will remain securely in these connectors. [Range of Application] These items are extensively used in home theaters, speaker wiring, automotive, marine wiring projects, household wiring tasks, as well as in commercial and residential applications. Ideal for garages, auto electricians, mechanics, workshops, caravans, motorcycles, etc. [Descriptions] The color of the terminal insulation indicates the compatible wire size: Red connectors fit 0.4mm to 1mm2 / 22-16 AWG cable; Blue connectors fit 1.1mm to 2.6mm2 / 16-14 AWG cable. [Contents] Heat shrink tubes (Quantity * Internal diameter provided x Single length) Color: mixed; Material: PVC + copper 120 * f10 x 40 mm 60 * f20 x 40 mm 32 * f3.0 x 40 mm 32 * f40 x 40 mm 32 * f60 x 40 mm 20 * f8.0 x 80 mm 16 * f100 x 80 mm 16 * f140 x 80 mm Terminals 20 Red * RV125-4 Ring terminal 20 Red * RV125-5 Ring terminal 20 Red * RV125-6 Ring terminal 20 Red * SV125-4 Spade Terminal 25 Red * MDD125-250 Male Quick disconnect 25 Red * FDD125-250 Piggy Back Quick disconnect 25 Red * FDD125-250 Female Quick disconnect 20 Blue ring terminal * RV2-4 20 Blue ring terminal * RV2-5 20 Blue ring terminal * RV2-6 20 Blue * SV2-4 Spade Terminal 25 Blue * MDD2-250 Male Quick disconnects 25 Blue * FDD2-250 Piggy Back Quick disconnect 25 Blue * FDD2-250 Female Quick disconnect 30 * Butt joint connectors BN125 AWG18-22 15 * Square DT8 Copper Terminal 15 * OT-10A Copper Ring Terminal Package includes 1 set * 678 pcs Electrical Cable Kit for automotive use. Note: Only includes the above package content; other products are not included. Note: Lighting and different displays might cause the color of the item in the picture to differ slightly from the actual product. Measurement allowances are +/- 1-3cm.