Welcome to our store! 1. Adjustable: The lab clamp has a built-in cam head holder that can be easily attached to laboratory stands or other equipment and can be adjusted to any angle with a locking screw. 2. Pressure Adjustment: Laboratory clamps with adjustment screws help provide precise pressure adjustment and effectively prevent glassware from breaking. 3. With Rubber Coating: The jaws have a non-slip rubber coating to prevent scratches and breakage of glassware. 4. Versatile: Not just for professional laboratories, but also a great choice for science classrooms and everyday use at home for holding glassware. 5. Stainless Steel: The laboratory stand clamp is made of stainless steel, which is not easily damaged or rusted, and can be used for a long time. Item Type: 3 Claw Lab Clamp Material: Stainless Steel, Rubber Product Size: Approx. 22.1 x 7.2 x 3cm / 8.7 x 2.8 x 1.2in (Manual Measurement with 0.1 to 0.2cm error) Maximum Opening: Approx. 9cm / 3.5in (Manual Measurement Error of 0.1 to 0.2cm) Usage: Used to Clamp and Fix Various Laboratory Equipment and Glassware