These crucible clamp tongs are made of stainless steel material for use, can not only pinch the beaker flask but also other objects. They are lightweight, compact, and convenient for you to carry and store, firm and will not be easy to fall. They are great tool for learning experiences. Features - Color: Silver - Material: Stainless steel - Size 35cm: 35cm/13.65in - Size 30cm: 30.00X7.00X1.50cm/11.79X2.75X0.59in - Size 25cm: 25cm/9.75in - Size 20cm: 20cm/7.8in - Can be used for clamping beaker, test tube, flask or other items in laboratory. - Will not bring any harm to human body, protects your hand effectively as practical tool. - It can be well applied to school or laboratory to facilitate your work better. - High corrosion resistance and hardness of the material for lasting use, comfortable for you to hold. - Made of premium stainless steel material for and use. Package list: 1 x 35cm Crucible Clamp 1 x 30cm Crucible Clamp 1 x 25cm Crucible Clamp 1 x 20cm Crucible Clamp