The Hoffman Descemet's stripping forceps was designed by Richard Hoffman, M.D. of Eugene Oregon to facilitate Descemet membrane stripping procedures and to position donor tissue. The tips are positioned up toward the cornea as is the cannula bend. • Recommended incision size: 1.0 mm or larger • Cannula Geometry: Curved • Compatible with: MST Touch Handle, MST 360 Handle • Use: Reusable • Shipped Quantity: Individual.