Cutehill Umbrella Swift Yarn Winder, Hand Operated Ball Winder Holder, Knitting Tool, for Swift Winding Lines, Laces, Yarns, Fiber or Other Strings You will get 1 piece umbrella swift yarn winder. It is a machine for hand operated ball winder, please refer to picture for using instruction Dimensions: 17 x 19 x 21 inches, clamp/clip height 1.69inch(4.3cm) Umbrella swift winder integral handle permits use as a winder, adjustable clamp permits vertical, horizontal, or angled operation. Packaged in a box, perfect craft tool, please use it on a desk thinner than 1.69inch (4.3cm)