3 Prong Dual Adjustable Clamp

Size L: Maximum grip size of 87 mm (3.42 inch) Size S: Maximum grip size of 60 mm (2.36 inch) Used to securely hold almost any type of apparatus and glassware with non-slip rubber coated jaws This clamp can be attached to a lab frame or other apparatus by using a boss head clamp Dual adjustment screws offer a wide range of motion, help provide precise pressure regulation and reduce chance of glassware breakage ASIN: B0D78JCNNX, B08PKS9FPJ