Effective protection rubberized: The rubber coating has good friction and mainly prevents scratches and damage to pressure or other sensitive iron surfaces. High-level neodymium magnets: Rubberized neodymium magnets with particularly strong pulling force. Diameter 43mm on 10kg holding. M6 thread: With threaded cones in the M6 screw size. Perfect for and assembly. Usage: Rubberized neodymium magnets with threads can fix your carights, perspective mirrors, doorbells, cameras, solar lights, tools in the tool room, etc. With more use, you will find surprises. Package includes: There are 24 pieces rubberized neodymium magnets. Rubberized neodymium magnets come with nuts, washers, spacers. Color: Black Material: Rubber Package Contents: 24 Partial Neodymium Magnets Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.