Check the listing for details. Keraring Instruments Set Corneal Ring Set Ophthalmic Surgical Instruments 1 set. Condition: New. Listed at 181.99 USD. Keraring Instruments Set Corneal Ring Set Ophthalmic Surgical Instruments Type: Ophthalmic Surgical set packing list: 8008101 :Mendez Degree Gauge 8003001-1 :Optical Zone Marker, 5.0mm Used with Mendez Ring, with cross hairs in the center UK34169:Suarez Spreader, 21mm blade length, semi-sharp edge for Epikeratophakia, 115mm long UK34170:Glider 110mm long UK34171:Double-Ended Sinskey Hook UK34172: Micro Dissector 110mm long UK34173: Ring Pusher QS15037: Double Notched Fixating Forceps, Curved Double notched tips, separated 1mm, 100mm long JTNJTN23:Notched Implantation Forceps, angled 0.25mm notched, shafts angled 45 degree, with 9.0mm platform, 108mm long 17004:Dissector (Counter Clock Wise,Clock Wise) XD02 :Silicone Box :225mm*142mm*25mm