Great for dusting and removing metal chips. Rounded tempered steel wire bristles attached to a sturdy wooden block. The 2-1/4 in. trim set in 4 rows of 8 provide strength with flexibility. The 3 in. block is 1-1/2 in. thick creating a solid base for the wire bristles. The 5-1/4 in. handle is contoured allowing for a comfortable grip. 9-1/4 in. overall length. Proudly made in the USA.