This low profile ball vise is perfect if you need more work space under your microscope.  The height of the vise is 4 1/8 inches, and is made of stainless steel and copper inserts. The jaws are 2.5 inches in diameter and are 1.5 inches tall.   Most vise accessory kits out in the market will fit this vise.   Order today at Stuller dot com slash tools.