Heat Shrink Tubing Kit, Thin Wall, Material Polyolefin, Flexible, Flame Retardant No, Adhesive Lined No, Temp. Range -67 Degrees to 275 Degrees F, Shrink Ratio 2:1, Number of Pieces 102, Includes (14) 1/2 in, (20) 3/8 in, (28) 1/4 in, (30) 3/16 in, (4) 1 in, (6) 3/4 in, Color Black, Length 6 in, Shrink Tubing Properties Acid and Alkali , Solvent , Package Style Sticks, Kit Contents Multiple Sizes, Use With Wire Size 20 AWG to 500 MCM