Each terminal is rolled and the seam is butted. This seam can not possibly open under normal conditions of stress or wire pull. Designed with full port Barrel, ideal for difficult to crimp solid wires or stranded wires. Suitable for the connection in power cable with electrical widely in the machinery, electric power, railway, shipbuilding, Aviation, home appliance, car/boat speaker, computer or other automatic sleeve made from insulating and protecting flexible PVC material, design with straight Type. The sleeve prevents entry of dust from the cable end. Widely used in electronics, communication equipment, household electrical appliances, automobile, motorcycle, etc.