About Haisstronica Brand ?Haisstronica? is a specialized manufacturer of butt connectors. Customers in Haisstronica could purchase high quality and favorable price butt connectors. If there are buyers who order connectors in bulk, Please contact us. We will provide the most professional and reasonable offer and look forward to your information. "Product is king" is the original purpose of all products. We are committed to every detail of product quality. Offering better product solutions for customers. When crafting our connectors, we use highest quality copper, solder, and adhesive lined tubing. We design all our connector kits to have enough connectors to take you through numerous wiring projects without having to restock. "Haisstronica" is a registered trademark, all infringement will be complained. Specifications: Heat activated 3: 1 shrinkage ratio sleeve of tubing for a secure seal Color coded pieces with text print helps identify needed connection quickly Possible compatible uses include: Auto, Cars, trucks, boats, stereo audio AV, underground cables, and 12 volt accessories Minimum shrink temperature: 176°F / 80°C Low minimum shrink temperature allows user to easily shrink tubing without melting wire coating. Full recovery temperature: 266°F / 130°C Operating temperature: from -67°F to 257°F or -55°C to 125°C 200pcs Heat Shrink Butt Connectors -Wire Electrical Connectors Kits INCLUDES: ITEM # AWG MM2 COLOR QTYBHT 16-14 1. 5-2. 5 Blue 200PCS