A simple one-step wire connection that is soldered, insulated, and sealed. Heat Shrink Solder Butt Connectors are constructed using polyolefin tubing on the exterior and hot melted adhesive on the inside. These connectors may be soldered and sealed, and they have an improved waterproof feature. Heat Shrink Butt Connectors improve pullout strength while also providing seal, strain relief, cable check, and insulation.Buy online Heat Shrink Solder Butt Connectors in that can be used in marine and automobile applications. Order top quality Heat Shrink Terminals