811-2726, 3M, 3M Adhesive Lined Heat Shrink Tubing, Black 38mm Sleeve Dia. x 1m Length 4:1 Ratio, HDT-A Series, Brand 3M, Sleeve Diameter 38mm, Colour Black, Shrunk Diameter 12mm 3M Adhesive Lined Heat Shrink Tubing, Black 38mm Sleeve Dia. x 1m Length 4:1 Ratio, HDT-A Series