Made of basalt lava rock material for extreme heat applications Temperature rating of 1800?F (EU: 982,22 ?C) continuous/2500?F (EU: 1371,11 ?C) intermittent Includes four 14" (EU: 35,56 cm) ball bearing and barb-locking stainless steel ties Glossy bronze color Made in the U.S.A.. WRAP EXH KIT 1X25 BRONZE