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, which is convenient to use and carry; A variety of quantities and styles can meet your daily use and replacement Package 380 pieces of butt connectors (6 AWG, 8 AWG, 12-10 AWG, 14-12 AWG, 16-14 AWG, 22-16 AWG, 22-18 AWG, 26-22 AWG); 8 different sizes suitable for 26-6 wires; stranded wires, can be pressed or welded, with a wide range of applications, including automotive, marine, DIY, etc. The package includes 7 most commonly used shrink tubing diameters, ranging from 3/32 inch to 3/4 inch, 1.77 inches long, a total of 400 pieces; It can shrink to the original diameter 1/3, very tight seal, very high wear resistance, waterproof seal, can provide better connection in seconds; Shrinking temperature: 80 to 125C The pliers are made of high-quality steel material, and the clamp is smooth; These handles have enough leverage for comfortable crimping, and the ergonomic handle design ensures a firm grip in all conditions; Crimping range: aWG26-6, suitable for non-insulated terminals The wire repair kit comes with matching heat shrink tube for added protection, equipped with pliers for easy crimping, designed for easy, safe installation, efficient and safe connection; Suitable for , ships, car wiring, model construction, DIY wire projects, electrical industrial wiring projects Features: Butt connector ensures better firm crimping and prevents wires from slipping off. Our butt connector crimping tool is for specific temperature to improve material properties and better crimping. Material: Non-insulated butt connector kit: Copper Heat shrink tube kit: PE hot melt adhesive Colour:As Shown Package Contents: 1 * set non insulated butt connectors Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.