Rubber Coated Magnet With Pull 3.5 KG 1. Dimension: Dia 22 mm x H 6mm 2. Pull force : 3.5 KG 3. Connection type: Internal thread,Screwed bush,External thread 4. Thread type: M4,M5,M6,1/4-20 5. Product structure: NdFeB magnet + A3 steel + TPE rubber 6. Grade: N35 to N52 Neodymium magnet 7. Working Temp.: -40 to 80 degrees celsius 8. Customization: Size/Screws/Color/Logo etc.