Features 1.100% brand new and high quality. 2.Made of durable metal material, the clamp has long service life. 3.The adjustable clamp base can be easily fixed on a edge of desk. 4.Plastic covered prongs would not leave any scratches on objects 5.Widely used for holding flasks, test tubes and so on in lab. Specification Features: 100% brand new and high quality. Made of durable metal material, the clamp has long service life. The adjustable clamp base can be easily fixed on a edge of desk. Plastic covered prongs would not leave any scratches on objects Widely used for holding flasks, test tubes and so on in lab. Specifications: Material: Metal Length: 22cm/8.7in Weight: 212g(approx.) Package Includes: 1 x Clamp Package List