Made of polished beech and walnut on clamp head.
*Thicken and solid design: Turning screw with power spring. Better than a traditional toggle bolt. Could keep your work stay still when clamping on it.
*304 Stainless Steel Magnet Buckle on Both Sizes: Could help you storage sewing needle.
*Anti-slip Design on the bottom of the base: Could place on any surface to work.
*Size: 20cm (base width) X 28cm (Total Length)