Heat Shrink Tubing Kit Thin Wall Material Cross-Linked Polyolefin Flexible Flame Retardant No Adhesive Lined No Temp Range -67 Degrees to 275 Degrees F Shrink Ratio 2 1 Number of Pieces 74 Includes (20) 1/4 in (32) 3/16 in (4) 1 in (4) 3/4 in (6) 1/2 in (8) 3/8 in Plastic Storage Case Color Black Length 6 in Package Style Sticks Kit Contents Multiple Sizes Use With Wire Size 0.18 in to 1.00 in I.D. Before Shrinking 1 in 1/2 in 1/4 in 3/16 in 3/4 in 3/8 in