F1051/16 BK005 is flexible heat shrink tubing with a 0.062" (1.57 mm) diameter, a 2:1 shrink ratio and black color, supplied in 100.0 ft (30.5 m) lengths.
The F1051/16 BK008 from Alpha Wire is flexible black heat shrink tubing with a 0.062" (1.57 mm) diameter, 2:1 shrink ratio, supplied in a 25.0' (7.6 m) length.
The F1051/16 BK002 from Alpha Wire is flexible heat shrink tubing with a 0.062" (1.57 mm) diameter, 2:1 shrink ratio, in black, supplied in a 500.0 ft (152.4 m) length.