Heat Shrink Tubing, Material Modified Chlorinated Polyolefin, Temp. Range -94 Degrees to 275 Degrees F, Shrink Ratio 2:1, Black, Length 200 ft, I.D. Before Shrinking 0.187 In, I.D. After Shrinking 0.106 In, Wall Thickness After Shrinking 0.035 In, Max. Voltage 600V, Features Flame Retardant, Standards MIL-R-46846, Type I, Class 1; MIL-DTL-23053/1, Class 1, 2; AMS-3623, Package Quantity 3