Wool carders. Used a few times when we used to have sheep. “The most popular style of hand carders feature 72 teeth per inch and curved backs. This tooth spacing is versatile enough to handle most wool breeds and blends. These are the go-to hand cards for most beginning spinners, teachers, and historical demonstrators. Sold as a pair.” Features: Ergonomic Curved Backed Design Solid Hardwood Construction 72 tpi Carding Pad: 7.5" x 4.5" Carder Back: 8" x 4.75" Handle Length: 5.25" Weight: 9.0 oz. per carder Sold in Pairs