Clear Frosted Round Ball Cord Locks Toggles (Ships from USA) 12, 30, 60, 100 Pack Sizes (12 count pack) Holds tensions on cords Size: 0.825" X 0.57" X 0.71" , 21mm X 14mm X 18mm Hole size is ~ 0.246" X 0.2"; ~ 5.5mm X 5mm Nickel plated spring