This is a set of 3/16" Diameter Heat Shrink Tubing from Dubro.

FEATURES: Designed to shrink up to 1/2 of its original size
          Ideal for insulating electrical splices, covering electrical plugs
            and connectors

INCLUDES: Four pieces of red heat shrink tubing
          Four pieces of black heat shrink tubing

REQUIRES: Shrink tubing on all sides with heat gun, butane lighter or soldering
            iron

SPECS:    Diameter: 3/16" (4.5mm)
          Length:   1-1/2" (38mm)

COMMENTS: Use a tubing size that is no more than twice the diameter of the
            object being covered.

                                                                   lmm 11.20.09
                                                                         ir/jxs