All in One 3612pcs Screw Adapter Set for 7mm to 6mm Conversion Ready for Use
7MM to 6MM. 7MM to 6 MM. Specification: 5/16-24 and 1/4-20 screw thread. list1：Screw Adapter 3. Installation is simple and convenient. Just check the hole position and just rotate and. list2: 6PCS adapter.