ADVANTAGE: Once it has locked something it will not easily break. SATISFACTION GUARANTEE: The set is brand new and high-quality. This aluminum clamp holder is your go-to solution for clamping rods at 90° to each other. The oversize thumbscrews make securing your rods and supports fast... LARGE AND SMALL CROSS CLAMPS: There are 2 laboratory cross clamps, a large cross clamp and a small cross clamp. ADVANTAGE: Once it locks something, it will not break easily. Stainless steel cross clamp for 2 pipes 40mm - stable connection Get 2 adjustable aluminum coated cross clamps for heavy-duty lab support. Ideal for securing equipment on lab stands with a durable, reliable grip MAIN FUNCTION: The body of the utility model is made of aluminum alloy with a screw for fixing the clamp on the support rod. EXCELLENT CLIP: Excellent laboratory iron clip, often used in the laboratory fixture accessories, also suitable for home use. We care for every customers feeling. Home Science Experiment Clamp SHINYPASING 1Pcs Stainless Steel Stand Clamp Holder Silver Square Cross Shape For Laboratory Equipment 3x2 5x2 5cm Large And Small Cross Clamps You can get in touch with customer service when you meet any question.