Heat Shrink Tubing Kit Thin Wall Material Polyolefin Flexible Flame Retardant Yes Adhesive Lined No Temp Range -67 Degrees to 275 Degrees F Shrink Ratio 2 1 Number of Pieces 8 Includes (2) 1 in (2) 1/2 in (2) 3/4 in (2) 3/8 in Color Black Length 6 in Shrink Tubing Properties UV Light Resistant Package Style Sticks Kit Contents Multiple Sizes Use With Wire Size 0.25 in to 1.00 in I.D. Before Shrinking 1/2 in 3/4 in 1 in 3/8 in Dielectric Strength 600 V