A high temperature resistant braided glass material, woven into a sleeve and heavily coated with 100% silicone rubber with 304 stainless mesh outer covering, EXO Sleeve provides the ultimate in heat insulation and protection from direct heat up to 500°F. Silicone glass sleeve (DEI Fire Sleeve) surrounded by 304 stainless mesh outer coating Allows direct contact to heat source Highly abrasion resistant Provides air flow around sleeve Perfect for insulating wiring, hoses, oil / brake / transmission lines & more Size: 0.375 (3/8) inch x 36 inches Fitment Chart AN Conversion Chart AN Size Metal Tube O.D. Thread Size 2 1/8 in. 5/16 24 SAE 3 3/16 in. 3/8 24 SAE 4 1/4 in. 7/16 20 SAE 5 5/16 in. 3/8 18 SAE 6 3/8 in. 9/16 18 SAE 8 1/2 in. 3/4 16 SAE 10 5/8 in. 7/8 14 SAE 12 3/4 in. 1-1/16 12 SAE 16 1 in. 1-5/16 12 SAE 20 1-1/4 in. 1-5/8 12 SAE 24 1-1/2 in. 1-7/8 12 SAE 28 1-3/4 in. 2-1/4 12 SAE 32 2 in. 2-1/2 12 SAE Fire Sleeve Application Chart Part# Name Line Size* 10470 3/8 in. Fire Sleeve 3AN4AN6AN 10472 5/8 in. Fire Sleeve 6AN8AN 10474 1 in. Fire Sleeve 10AN12AN16AN**5/8 in. Heater Hose3/4 in. Heater Hose *Braided Kevlar line was used in testing. You may notice a slight difference in size if you have Braided Stainless Steel lines. **Tight fit: If you have fittings on your line, you may need to order one size up. You can achieve between 1/16 in. and 1/8 in. stretch out of our material. This may help on installs with fittings already on the lines.