Description 1. 100% brand new and high quality. 2. tandard crimp and then seal heat shrink butt connectors. 3. Tubings of different colors with the mark of wire gauge are easy to recognize. Measure the wiring, and by checking the mark of wire gauge of the polyolefin tubing, you can choose the right connector very easily. 4. Allows visual inspection, prevents corrosion, and provided a waterproof seal. 5. For best results use a hot air gun until it reduces in size and the adhesive flows, filling gaps within the terminal. 6. When properly heated and shrunk, they provide a waterproof seal that is resistant to water, spray oil, chemicals and other contaminants. 7. High Quality Tinned Copper Core-Heat shrinking connector copper core uses tinned copper, which is easier to flatten and grasp the wires, to enhance electrical conductivity. 8. Easy to Use-Compared with other connectors, the heat shrinking connector has a larger selection of fitting tools and is easier to operate in the compressing process, suitable for DIY. Choose Size & Quantity Sizes Available: White Connectors: 0.2mm² to 0.5mm² / 26 - 24 A.W.G Red Connectors: 0.5mm² to 1.5mm² / 22 - 16 A.W.G Blue Connectors: 1.5mm² to 2.5mm² / 16 - 14 A.W.G Black Connectors: 2.5mm² to 4.0mm² / 14-12 A.W.G Yellow Connectors: 4mm² to 6mm² / 12 - 10 A.W.G Professional Installation is Highly Recommended. No Instruction Included Temperature rating: 105°C 3:1 Heat Shrink Ratio Note: Please confirm the item and choose the quantity carefully!Red Blue Ring Terminals Electrical Insulated Quick Splice Wire Crimp Connectors5.99 USDFree shippingUS Dual Row 3-12 Positions 600V 15A Screw Terminal Block Terminal Barrier Strip3.99 USDFree shippingMICRO3 ADD-A-CIRCUIT Fuse Tap 3 Pack USA Seller free shipping USA7.39 USDFree shippingWaterproof Heat Shrink Butt Wire Splice Seal Connectors Crimp Terminals 22-10AWG6.99 USDFree shipping20-200X Blue T-Taps Wire Connectors Quick Splice Terminals Insulated Crimp Cable4.99 USDFree shipping5 Pack Fuse TAP ADAPTER KIT 12V 20 Amp Car Add-a-circuit Standard ATO/ATC Blade7.99 USDFree shipping10A Amp Micro3 3-Pin Prong Blade Fuse 10A 32V Automotive Car Truck Boat Marine4.99 USDFree shipping30A Amp Micro3 3-Pin Prong Blade Fuse 30A 32V Automotive Car Truck Boat Marine4.99 USDFree shipping15PCS Dual Row 6 Position Screws Terminal Electric Barrier Strip Block 600V 15A10.99 USDFree shipping300-50PCS HEAT SHRINK SOLDER SEAL BUTT WIRE CONNECTOR SPLICE TERMINAL WATERPROOF5.99 USDFree shipping50/250x Solder Seal Sleeve Heat Shrink Wire Connectors Butt Terminals Waterproof5.99 USDFree shipping3:1 Heat Shrink Tubing 3/16" Black Adhesive Lined Dual Wall - 50ft (100x 6" Pcs)9.99 USDFree shipping16-14AWG Solder Seal Sleeve Heat Shrink Butt Wire Connector Terminal Blue4.99 USDFree shipping100PC 16-14Ga AWG Electrical Solder Seal Heat Shrink Butt Connectors Solder Blue8.99 USDFree shipping200x Assortment Heat Shrink Wire Connectors Electrical Terminals Crimp Seal US14.99 USDFree shipping75pcs Piggy Back Insulated Spade Terminals 22-10AWG Wire Crimp Connectors9.99 USDFree shipping50 Pairs 4.0mm Bullet Terminal Car Electrical Wire Female Male Connector Kit8.39 USDFree shipping100Pcs 22-16AWG Red Heat Shrink Wire Butt Connectors Waterproof Splice Terminals6.39 USDFree shipping