StonyLab 2 Prong Dual Adjust Swivel Clamp, Sturdy Double Multipurpose 360 Degree Rubber Coated Clamp with Boss Head for Laboratory Use

Used to securely hold apparatus and glassware like test tubes and flasks with non-slip rubber coated jaws Build-in boss head holder for easily attaching to a lab frame or other apparatus is adjustable by a check nut to any angle Dual adjustment screws help provide precise pressure regulation and reduce chance of glassware breakage 360 degree swivel type clamp; Maximum grip size of 65 mm (2.56 inch) StonyLab ensures high quality products and premium customer service; If received damaged, please contact us immediately; We will solve it until satisfied