Bluemoona 25 Pcs - EMPTY Bobbin ROUND HARD PLASTIC Wire SPOOLS END Clear 4 Ribbon Lace Line 70mm 2.75" x 10mm 0.39" Material: Plastic Color:Clear Round diameter:70mm(2.75") CENTER ROD: 10mm(0.39") Use For: Various Size Cord Ribbon, Such As Storing String, Cords, Ropes, Wires, Ribbons, Chain, And Many Other Items.