Check the listing for details. 200/100x Heat Shrink Butt Splice Wire Connectors Crimp Seal Electrical Terminals. Condition: New. Listed at 9.59 USD. Features: 100% brand new and high quality. Guaranteed to hold the strong crimps. Standard crimp and then seal heat shrink butt connectors. Allows visual inspection, prevents corrosion, and provided a waterproof seal. For best results use a hot air gun until it reduces in size and the adhesive flows, filling gaps within the terminal. Specification: Quantity: 300/250/200/100pcs Color: Red/Blue/Yellow Material: PE+Copper Red connectors: Suits cable/ wire sizes 0.5-1.0mm2 22-18 GA Blue connectors:Suits cable/ wire sizes 1.5-2.5mm2 16-14 GA Yellow connector: Suits cable/ wire sizes 4.0-6.0mm² 12-10 GA Package Included: 300/250/200/100pcs Heat Shrink Butt Wire Crimp Connector How to Use: 1. Insert the two wires to the right size connector. 2. Crimp the metal part in the middle of the butt connector by pliers. 3. Apply heat to the two end of the connector to make it tighten up the wire. Note: Please allow 1-5mm errors due to manual measurement. Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same. On May 5, 2023 at 06:45:49 PDT, seller added the following information: