100% and high quality Clamping Fixed Desktop Switch: Adjust the size according to the required desktop thickness. Diameter Adjustment Knob: Can adjust the diameter of the circle according to the size of the tool to be used.Plastic Protective Ring: It can better protect the desktop from being abraded and more stable.Application: Good performance, convenient and practical, suitable for home and professional use. Lightweight Size: Portable and small size, easy to store and carry, bring you convenience. Material: Aluminum Alloy + Steel Color: As the Picture Shows Product Dimension: approx. 29x15x9x8cm/11.42x5.91x3.54x3.15inches Net Weight: 1464g/3.23lbs Please allow 1-2cm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 1PC Electric Drill Stand