●♥ GREAT ASSORTMENT: This versatile kit includes 460pcs uninsulated butt splice connectors for 24 to 8 gauge wires. Applied in auto, ship, DIY, etc. ●♥ STRONG CRIMPS: Thick, seamless butt connector barrels ensure super strong crimps, tinned copper of the copper makes it easier to flatten and grasp the wires. ●♥ EXCELLENT CONDUCTIVITY: Pure copper ensures the highest conductivity. A thin layer of tin will protect your butt splices from corrosion. ●♥ RECOMMEND HEAT SHRINK TUBING: For best results we recommend insulating your connections with dual wall, adhesive lined heat shrink tubing. ●♥ BUYER CONFIDENCE: All Sopoby products are backed by our best-in-class lifetime warranty. If for any reason you are not satisfied with your purchase, please contact us. Our customer service team is here for you to help with any questions.