CESFONJER Heat Shrink Wire Connector Crimp Connectors Waterproof Insulated Electrical Terminals Marine Automotive, Butt Kit (red 60pcs, Blue 40 pcs, Yellow 30 pcs)

heat shrink butt connectors: Dual-walled design, polyolefin tubing in outside and hot melt adhesive in inside, use heat gun to shape and properly waterproof. USES: Home audio, car audio, power cable repair, electronics, appliances, garage, shop, automotive, engine repair. 130 pcs heat shrink butt connectors for smaller wire splice and solder less applications，Tinned copper barrels with double-walled design for precise crimps and good contact Size : blue - Length 37.3mm, Outside Diameter 5.67, Inside Diameter 2.4, voltage 600V, current 27A. red - Length 37.3mm, Outside Diameter 4.75, Inside Diameter 1.7, voltage 600V, current 19A. yellow - Length 42mm, Outside Diameter 6.93, Inside Diameter 3.6, voltage 600V, current 48A All butt connectors are housed in a sealed plastic box that is easy to use and store. This is a free box with a buckle.