€¢ High carbon steel €¢ 7/8 inch second width €¢ 3/4 inch width €¢ Different joint sizes on each end €¢ MARSHALLTOWN Brick Jointers are made in the USA with Global Materials >> The Marshalltown Brick Jointers smooth joints between bricks. Built with high carbon steel; this product is designed for different joint sizes on each end to give you the best variety on the job. Our contractor-grade QLT Brick Jointers are made from carbon steel and polished to make a slick joint. MARSHALLTOWN Brick Jointers are Made in the USA with Global Materials."