1. Adjustable Design: This 0 300mm adjustable PCB holder enables versatile clamping of different PCB sizes. It four different widths (1.2 mm, 1.8 mm, 2 mm and 3 mm) to ensure a secure hold and facilitate precision in soldering tasks. 2. 360 ROTATION CAPABILITY: Featuring a rotating chuck design, this soldering mounting stand allows you to effortlessly position the motherboard at the desired angle. The tension knob enables easy adjustment, making work more efficient and convenient. 3. STURDY METAL STRUCTURE: Constructed with a durable metal structure, this PCB holder is lightweight, providing both stability and portability. It is easy to carry and store, making it a great tool for professional and DIY soldering projects. 4. Stable Operation: The bottom of the stand is fitted with a rubber gasket, which stability and prevents shaking during use. This ensures smooth operation and enhances the of the soldering process.