Wire mesh for mufflers, scarves, simple sparester and spark prevention wire mesh. Originally created to prevent spark from car mufflers. A bag to prevent the fire from flying off the muffler to prevent fire. Set of 3 unichrome plated 40 mesh, Size tongue approx. 8.3 inches (21 cm), Yoko approx. 5.7 inches (14.5 cm), Wire is discontinued, so it will be a gift for each order. Sizes may vary. Muffler wire is not guaranteed to be 100% explosion-proof When installing, please handle with gloves as the tip is easy to get caught. Please be careful when installing this product, as it may be easy to remove.