407-818, 3M, 3M Halogen Free Heat Shrink Tubing, Black 3mm Sleeve Dia. x 10m Length 3:1 Ratio, HSR 3000 Series, Brand 3M, Sleeve Diameter 3mm, Colour Black, Shrunk Diameter 1mm 3M Halogen Free Heat Shrink Tubing, Black 3mm Sleeve Dia. x 10m Length 3:1 Ratio, HSR 3000 Series