520PCS Heat Shrink Tube Sleeves Wrap Cable Set Multipurpose 5 Sizes Black Red UK
Multipurpose use. Portable Oxygen Inhaler Can 12L with Mouthpiece. Retraction Ratio for these heat shrink tube is 2 to 1 or 4 to 1, made of polyolefin, good electrical isolation or insulation of the open wires or the connected one.