U-nitt Wooden Yarn Swift / Umbrella Style Medium 25 inch TH085 If you need a ball winder to go with this swift, consider our U-nitt MH701/ML702 hand sanded to a fine finish stands 25 inches tall; opens to a max circumference of 72 inches fits to any table top of up to 1.5 inches thick provides a smooth yarn feed to your favorite yarn winder to create yarn balls