General description 200Pcs Connector Heat Shrink Soldering Terminals are designed for waterproof connections, featuring insulated butt connectors that ensure a secure and reliable electrical connection. These connectors are made from durable polyolefin material, making them suitable for various applications. Technical specifications Material: Polyolefin Package Contents: 40 x white tube 92 x red tube 48 x blue tube 20 x yellow tube Measurement allowed error: +/- 1-3cm