Rectangular Rubber Coated Magnet With Pull Force 8.5 KG 1. Dimension: L 43 x W 31 x H 6.9 mm 2. Pull force : 8.5 KG 3. Connection type: Internal thread,Screwed bush,External thread 4. Thread type: One or two thread M4 bush thread hole 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.