Heat Shrink Tubing Thin Wall Material Modified Chlorinated Polyolefin Flexible Flame Retardant No Adhesive Lined No Shrink Ratio 2 1 Use With Wire Size 12 AWG to 8 AWG I.D. Before Shrinking 0.38 in I.D. After Shrinking 0.19 in Wall Thickness After Shrinking 0.04 in Length 100 ft Shrink Tubing Properties Abrasion Resistant Acid and Alkali Resistant Fuel and Oil Resistant Solvent Resistant Color Black Temp Range -94 Degrees to 250 Degrees F Package Style Cut to Length