Made of wooden material, which is durable and practical for the long lasting use. Perfect for laboratory experiment and experimental lesson. It comes with lightweight design, provides convenience to use. Features the long handle design, which can efficiently ensures your safety. The wonderful workmanship will ensure the strong durability. Features - Color: Wood color. - Material: Wood. - Size: 18.00X1.50X1.20 cm or 7.07X0.59X0.47 inch.- This item is test tube clamp, which is made of wood material and durable for long-term use.- This test tube clip features high durability and high reliability, sturdy and practical for you.- Fine workmanship and creative appearance design ensure its popularity and practicality.- This durable test tube holder will not do damage to the test tube. It is must-have supply for labs, school.- Comes with simple structure design, which can keep you away from the test tube and keep you safe, simple and reliable. Packing list: 12 x wooden test tube clamps