Thornton optic Zone Marker with Centre Pin by Speedway Surgical Co Price US$POA Supplier/s Speedway Surgical Co Supplier Code S-6661:01 ( IAPB ) Country of Origin INDIA Request a quote Product Description Thornton optic Zone Marker with Centre Pin. Available in 3.0 mm, 3.5 mm, 4.0 mm, 4.5 mm, 4.75 mm, 5.0 mm, 5.5 mm, 7.0 mm, 8.0 mm, 9.0 mm Share: