Usage Tips:Aluminum Alloy: The lab vise stand is made of quality aluminium alloy to ensure durability, stability and sturdiness, and will not wear out easily even if accidentally dropped on the floor. This material is also rust-resistant, making it a reliable choice for long-term use in the lab. Rotatable Knob: The rotatable knob on the lab bench vise stand provides additional leverage for easy and accurate adjustment. This user-friendly design increases the efficiency and convenience of securing clamps during experiments. Suitable: The right angle lab bench clamp holder is designed to stabilise clamps without the need for special support. Its sturdy construction and rotatable knobs can be adapted to different sizes to hold items securely during lab work. Multi Purpose: The aluminium lab bench clamp holder is not only a great accessory for lab benches, but also suitable for home use. Its versatile design makes it a practical tool for holding items firmly in place, providing convenience and reliability in a variety of situations. 5pcs: This product includes a set of 5 stand grippers, providing enough clamps to meet the needs of a variety of use cases. The versatility and flexibility of this set ensures that you always have clampable fixtures. Item Type:Lab Stand Clamp Holder Use:Can Be Used in The Laboratory As A Common Fixture Accessories, Can Also Be Used in Your Home to Fix Items Color:As Shown Material:Metal Size:Approx.9.5x3.3x3.3cm/3.7x1.3x1.3in Package Contents: 5 * Holder Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.