The package includes 1 set of 380 pieces of non-insulated butt connector kit, 1 set of 400 pieces of heat shrink tubing kit, and 1 ratchet crimping tool. Both sets are packed in a transparent plastic box for convenient use and portability. A variety of quantities and styles to meet daily needs and replacement requirements. The 380-piece butt connector set includes sizes: 6 AWG, 8 AWG, 12-10 AWG, 14-12 AWG, 16-14 AWG, 22-16 AWG, 22-18 AWG, and 26-22 AWG. These 8 sizes are suitable for wires ranging from 26 to 6 AWG, including stranded wires. Connectors can be crimped or soldered and are suitable for various applications such as automotive, marine, and DIY projects. The heat shrink tubing kit includes 7 commonly used diameters ranging from 3/32 inch to 3/4 inch, each 1.77 inches in length, totaling 400 pieces. The tubing shrinks to one-third of its original diameter, providing a tight, durable, waterproof seal with high abrasion resistance. Shrinking temperature range is 80 to 125°C. The crimping tool is constructed from high-quality steel with smooth clamping surfaces. Designed with ergonomic handles and sufficient leverage for comfortable and efficient crimping. Crimping range: AWG 26-6, compatible with non-insulated terminals. This wire repair kit includes matching heat shrink tubing for added protection and comes with pliers for easy crimping. Designed for simple, safe installation and reliable electrical connections. Ideal for car wiring, marine applications, model building, DIY wire projects, and electrical industrial wiring. Features: - Butt connectors provide secure crimps and help prevent wire disconnection. - Ratchet crimping tool ensures consistent, professional results. Material: - Non-insulated butt connectors: Copper - Heat shrink tubing: PE with hot melt adhesive - Color: As shown Package Contents: - 1 x Set of non-insulated butt connectors - 1 x Set of heat shrink tubing - 1 x Ratchet crimping tool Note: Light reflection and display differences may cause slight color variations between the image and actual item. Measurement allowance is +/- 1-3 cm.