3 Prong Swivel Clamp with Boss Head, Single Adjust

Securely Holds Various Apparatus: features non-slip rubber-coated jaws to securely hold a wide range of apparatus and glassware in place Adjustable Boss Head Holder: built-in boss head holder for easy attachment to a lab frame or other apparatus, adjustable to any angle using a check nut Precise Pressure Regulation: adjustment screw enables precise pressure regulation, reducing the risk of glassware breakage during experiments 360 Degree Swivel Design: swivel type clamp allows for 360-degree rotation, with a maximum grip size of 1.3 inch for versatile use ASIN: B0D78F41VD