Features 1.The cross clamp can be used in the laboratory for distillation experiments to clamp the test tube. 2.The cross clamp has the characteristics of beautiful appearance, resistance to pressure and drop, acid and alkali resistance, corrosion resistance, high temperature resistance, and abrasion resistance. 3.Rugged and durable, composed of high‑quality aluminum alloy body and plastic knobs, it can be used for a long time. 4.Excellent workmanship, convenient for people to hold and use, very convenient and convenient for students to learn and use. 5.The total length is 166mm, the width of the object that can be clamped is 20mm, and the width is 44mm. Specification Item Type: Laboratory Clamp Material: Aluminum Alloy, Plastic Color: White and Blue Clampable Width: Approx. 20mm / 0.8in Total Length: Approx. 166mm / 6.5in Width: Approx. 44mm / 1.7in Purpose: The cross clamp can be used in the laboratory, for distillation and other experiments to clamp the test tube rack. Package List 1 x Laboratory Clamp