Features HIGH PURE TIN: Our butt terminal connectors are processed with high purity tin, suitable for wire soldering and mechanical protection of the solder joint. Good electrical conductivity: the butt connector has a transparent heat shrink tube, which precisely seals the connection and has good electrical conductivity. Multi-purpose use: the shock terminal connector set is suitable for cable testing and insulation, welding, shipping, automotive, railway, aviation and heat protection for the electrical and electronics industry. Tear resistance: shock clamps have a high tear resistance and mechanical damage and are suitable for the collection and maintenance of cables. WATERPROOF: This butt terminal connector is excellent solderable, insulates and seals, connects easily in one step and is waterproof. Specification: Item Type:Butt Terminal Connector Material: PE plastic and tin alloy. Usage: widely used in automotive, motorcycle, power electronics industry, electrical equipment, etc. Package list: 30 x White Stainless Steel S11 Bumper Clamps 40 x Red Stainless Steel S21 Butt Connector 40 x Blue Stainless Steel S31 Bumper Clamps 10 x Yellow Stainless Steel S41 Bumper Clamps 1 x plastic storage box Package List 30 x White SST S11 Butt Terminal 40 x Red SST S21 Butt Terminal 40 x Blue SST S31 Butt Terminal 10 x Yellow SST S41 Butt Terminal 1 x Plastic Storage Box