The F3503/16 CL065 from Alpha Wire is flexible clear heat shrink tubing with a 0.187" (4.75 mm) diameter, a 2:1 shrink ratio and a length of 0.500 ft (152.40 mm, 6.00").
The F3503/16 CL103 from Alpha Wire is flexible clear heat shrink tubing with a 0.187" (4.75 mm) diameter, a 2 to 1 shrink ratio and a length of 4.00' (1.22 m).