StonyLab 2 Prong Dual Adjust Swivel Clamp, Sturdy 2 Prong Double Adjust Multipurpose 360 Degree Swivel 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