6 x 12 inch Permanent Magnetic Chucks, Fine-pitched Magnetic Poles Copper Material with Powerful Magnetic Force, Surface Grinding Machine with Lock-On/Lock-Off Mechanism No Electricity Needed Powerful Magnetism N45 Magnet Direction Control Easy to Use Complete Accessories Widely Used Operating Temperature: ≤80℃,Max Pulling Power: 9920 lbs (4500 kg),Safety Factor: 3.5,Maximum Weight Capacity:4960 lbs (2250 kg),Item Net Weight: 20 kg (44 lbs),Item Dimensions: 300x150x45 mm/12''x6''x1.8'',Magnetic Force: ≥100 N/cm²,Pole Pitch: 1.5+0.5 mm
