Code No. Item Name SO-278 Segals Disposable Cornel Trephines 6.0mm, 6.5mm, 7.0mm,7.5mm 8.0mm, 8.5mm, 9.0mm, 9.5mm SO-277 Castraviejo Corneal Trephine 5mm, 5.5mm, 6.0mm, 6.5mm, 7.0mm, 7.5mm, 8.0mm, 8.5mm, 9.0mm, 9.5mm, 10.5mm, 11.0mm, 11.5mm, 12.0mm SO-41 Elliot Scleral Trephine