Standard Ignition Heat Shrink Tubing - HST401 Part #: HST401 Line: STD Standard Ignition Heat Shrink Tubing Limited Lifetime Warranty Color: Black Material: Plastic Quantity: 2 Inside Diameter (in): 1-5/16 Inch Inside Diameter (mm): 33mm Length (in): 12 Inch Wire Gauge Range (ga): 8-4/0 Gauge Show More Show Less