The Stainless Works high-temp blue Snapper grommet is a heat-resistant silicone isolator for exhaust hardware. Sized to fit around a strap with a 5/8-inch through hole and accept a 3/8-inch through bolt, it measures about 1-1/8-inch OD and 7/8-inch thick. These grommets resist melting better than standard rubber and help isolate exhaust vibration where hangers attach to the frame or mounting bolts.
Stainless Works Grommet