Description: Multi-function silicone pad with a circuit board location, a screw location, 3 parts compartments with covers, a magnetic tools area, 3 magnetic parts areas, 7 non-magnetic parts areas, a scale ruler, and 42 spare cells. Screw Location with 124 tiny cells, can place and secure 124 different screws in order. Specifications: Material: silicone Color: blue Size: 45*30cm Heat resistance: 500 C The mat is made of high quality silicone. It resists corrosion and out of shape. Ideal for soldering electronics assembly or electronics and circuit board repair. The mat has excellent heat insulation performance. Can be resistance to high temperature of 500 C, which can protect the maintenance platform from burn and ruin. The soldering iron can directly solder in this mat.