CRL Fixed 90 Degree Exterior Short Arm Corner Clamp holds glass pieces from outside surfaces at 90 degrees. The outside arm is 3-1/4" (83 mm) tall with an adjustable thrust pad. This Clamp can be used with our Cat. No. UV284 Support to hold glass pieces while bonding. 2-3/8" (60 mm) diameter rubber suction pad holds glass pieces firmly until they are bonded.