The original Fasturn set comes with six brass tubes, numbered 1 to 6 (from smallest to largest diameter), with the #1 size Fasturn tube a small 1/8" Diameter -- perfect for bias tape, spaghetti straps, frogs & Chinese knot buttons -- to the # 6 Fasturn tube which is a wide 3/4" Diameter -- ideal for large upholstery piping, fabric belts, turning doll arms & legs, to large size fabric coil baskets! The Fasturn is a hollow brass cylinder with a specially designed wire hook that makes turning fabric tubes fun & easy! Magically fill fabric tubes with cord, batting or wire at the same time they are turned. Great to use with the woven Tumbling blocks table runner pattern.