407-791, 3M, 3M Halogen Free Heat Shrink Tubing, Black 6mm Sleeve Dia. x 10m Length 3:1 Ratio, HSR 3000 Series, Brand 3M, Sleeve Diameter 6mm, Colour Black, Shrunk Diameter 2mm 3M Halogen Free Heat Shrink Tubing, Black 6mm Sleeve Dia. x 10m Length 3:1 Ratio, HSR 3000 Series