About this item

• Size M: Maximum grip size of 65 mm (2.56 inch)
• Size S: Maximum grip size of 70 mm (2.76 inch)
• 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
• ASIN: B07XC6JSRS, B0D5H9VY3G