Tunnel Zone Marker Model : AAT 2146 7.2 mm

Optic zone marker with extra fine cross hairs. size 3.50 mm dia

Optic zone marker with extra fine cross hairs. size 4 mm dia

Optic zone marker with centering pin very low profile.size 3.25mm dia

Marking tunnel for future ring position with initial lines for incisions. 40 degree angled to handle size 2.0 mm ring height