Solid metal base and ABS arm with spring-loaded clamps provide 360 degree rotation for easy adjustment of boards. Adjustable width with 4 clamp thickness settings accommodates boards up to 200 mm wide and up to 4 mm thick. Four rubber feet under the base deliver stable footing and prevent sliding on workbenches. Includes a nonslip rubber pad and a detachable iron stand for safe component handling during intricate electronics work. Use scenarios - Soldering and assembling PCBs of varying sizes on a single bench, with secure, hands-free board positioning. - Rework, inspection, or testing tasks where steady clamping of boards up to 200 mm wide is needed without tools. - Prototyping and multi-board projects on busy benches, benefiting from adjustable clamps and stable base. This product focuses on function, compatibility, size, material, and performance for reliable, professional use.