Features 1、ALUMINUM ALLOY: Lab stand clamp holder is made of premium aluminum alloy, which is durable, stable and sturdy, and not easy to rust. 2、ROTATABLE KNOB: Lab clamp holder with rotatable knob provides additional leverage for easy and accurate adjustment. 3、SUITABLE: Right angle lab stand clamp holder is ideal for stabilizing clamps where no special support is required. 4、MULTI PURPOSE: Aluminum alloy lab stand clamp holder is an excellent lab stand accessory and is also suitable for home use to hold items in place. 5、5PCS: The product includes 5 lab stand clamps, which is enough to meet the needs of various usage situations. Specification Item Type: Lab Stand Clamp Holder Product Material: Aluminum Alloy, Plastic Product Size: Approx. 9.5x3.3x3.3cm / 3.7x1.3x1.3in Use: Can Be Used in The Laboratory As A Common Fixture Accessories, Can Also Be Used in Your Home to Fix Items Package List 5 x Lab Stand Clamp Holder