52 mm 4:1 Groß Schrumpfkleber Kleber Schwerlast Dick Sleeving Schlauch
1.2m Black Heat Shrink -- Shrink Ratio 4:1 -- 52mm to 13mm. You'll need a heat source to raise the temperature to around 90 degrees Celsius. Having heated the shrink tubing sufficiently the sleeve will reduce in size.