Features: The U bolts are practical, which can be applied as useful gifts to share with your family member or friend who in need. The U bolts will nicely satisfy your using needs, also you can keep them as spare at home in case of need. Specifications: Material: carbon steel Color: silver Size: 1/2 x 3-1/2 x 6 inch (diameter x width x length) Package includes: 4 x U bolts 4 x U bolt plates 8 x Hexagonal nuts Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays. Small items included, please keep them away from kids.