ITEM NAME:Black 4mm Diameter Polyolefin 2: 1 Halogen Free Heat Shrink Tube 1M D7D5 Black 4mm Diameter Polyolefin 2: 1 Halogen Free Heat Shrink Tube 1M D7D5 Product name: Heat Shrink Tubing, Size Diameter: 4mm Shrink temperature: 125C; Shrink Ratio: 2: 1 Flammability: -1, material: polyolefin Color: Black; Total length (approx.): 1M Net Weight: 6g; Package Content: 1 x Heat Shrink Tubing Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.