ID: 12mm
OD: 16mm
Degree gauge has four elevated extensions on the bottom at 0, 90, 180 and 270 degrees which acts as stabilizers while putting clean intra-op marks. Features laser lines every 10 degrees.
Features unique, one-of-a-kind 1 degree markings
Features laser lines every 1 degrees for
greatest accuracy; Beveled design allows
maximum visibility under the microscope
Markings are shown at every 5 Degrees, with 4 slots at 0, 90, 180 and 270 Degrees. Slots at 0 and 180 are at the inner ring, and slots are at 90 and 270 for the outer ring. The surgeon can insert a marking pen tip in the slot for marking.