The package includes 1 set of 380 pieces of non-insulated butt connectors, 1 set of 400 pieces of heat shrink tubing, 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 are included 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. The connectors work with stranded wires and can be crimped or soldered, offering wide application in automotive, marine, DIY, and other electrical projects. The heat shrink tubing kit includes 7 commonly used diameters, ranging from 3/32 inch to 3/4 inch, each piece 1.77 inches long, totaling 400 pieces. The tubing shrinks to one-third of its original diameter, providing a tight, durable, waterproof seal with high abrasion resistance. Shrink temperature range is 80 to 125°C. The crimping tool is constructed from high-quality steel with smooth clamping surfaces. The ergonomic handle design offers comfortable grip and sufficient leverage for efficient crimping. Crimping range: AWG 26-6, suitable for 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 connections. Ideal for car wiring, marine applications, model building, DIY wire projects, and industrial electrical work. Features: - Butt connectors provide secure crimps and help prevent wire slippage. - Connector crimping tool designed for optimal performance with compatible terminals. 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 variations between the image and actual item. Measurement may vary by +/- 1-3 cm.