The Gardner Bender 3/16 inch Heat Shrink Tubing provides abrasion and moisture protection for electrical wire and cable. This tubing is constructed of flame retardant polyolefin. Non adhesive linedPolyoelfin shrink tubing shrinks under heat application to insulate wiring up to half its diameterAlso useful for repairing cords and covering tool handlesMakes strong rope loops and neat endsBlack3/16" x 4"8 per cardShrink temperature 120 degree Celsius (250 degree Fahrenheit) to 250 degree Celsius (480 degree Fahrenheit)3/16 inch pre-shrink diameter, 3/32 inch post-shrink diameter