Main Features Multifunctional silicone pad structure With board position, screw position, 3 compartments with cover 3 magnetic parts areas 7 non-magnetic parts areas with a scale ruler 124 screw positions for placing and fixing 124 different screws in sequence High-temperature resistance 500 Deg.C Severes holes for positioning screwdrivers The built-in scale on the bottom makes your maintenance work easy The product does not include objects in the pictures Main Features Multifunctional silicone pad structure With board position, screw position, 3 compartments with cover 3 magnetic parts areas 7 non-magnetic parts areas with a scale ruler 124 screw positions for placing and fixing 124 different screws in sequence High-temperature resistance 500 Deg.C Severes holes for positioning screwdrivers The built-in scale on the bottom makes your maintenance work easy The product does not include objects in the pictures