Ownsig 8 Way Spoke Nipple Key Wheel Rim Wrench Spanner Repair Tool Sporting Goods for Bicycle Bike Keep your spokes straight and true. Made from hard steel. Light and portable. Net weight: 51g. Suitable for spoke nipple sizes 10, 11, 12, 13, 14, 15. Size:4cm x 4cm x 1.2cm.