want to replace your old labs rack clamps? , our labs stand kits have you covered. It can be used not only in the laboratory, but also when necessary. It is a must-have item for the laboratory iron stand, and you deserve one. Features - Color: Silver+black. - Material: Iron. - Size: 11.00X2.50X2.50cm/4.32X0.98X0.98in. - Iron body with plastic knobs, strong and not easy to break, ensuring it is sturdy and . - Adjustable boss head holder, more convenient to use, specially designed for laboratory use. - Can be used to effectively hold labs stand clips at right angles. Small and lightweight, it is easy to store and doesn't take up any space. - Knobs help provide extra leverage for easy and accurate adjustments and use. - It can clamp the experimental objects without loosening, which is a necessary object for the laboratory iron stand. Package list: 2 x Stand Clamp Holders