Features: 1. Toughened Heat Insulated Glass Fixture, PCB clamp, Heat proof, No heat transfer, Anti-static 2. Adjustable knob to control slider/Glass panel, easy to clean/Adjustable fixed slider/Metal base 3. Center Clamping/Heat Insulating Glass/Anti-corrosion/Use Under Microscope 4. Adapt to different IC sizes, Universal/flexible is the common choice of global masters; Chip Width: 0~43mm; PCB Width: 12~58mm