Standard Ignition Heat Shrink Tubing - HST81B Part #: HST81B Line: STD Standard Ignition Heat Shrink Tubing Limited Lifetime Warranty Color: Black, Red Material: Plastic Quantity: 5 Inside Diameter (in): 3/4 Inch Inside Diameter (mm): 19mm Length (in): 6 Inch Wire Gauge Range (ga): 8-1 Gauge Show More Show Less