supply of disposable sterile slit knife keratone lathe cut bevel up 2.8/2.75mm , detailed specification of the product as below. type: ophthalmic slit keratome * bevel: single bevel * usage: clear corneal / sclerocorneal incision in phaco surgery * material: medical grade stainless steel blade * sterility: sterile, single use * blade angle: approx. 45 degre bevel up/down optio n * sizes required: 2.8/2.75mm * tip: ultra sharp precision tip * application: entry into anterior chamb er for cataract surgery * packaging: individually packed sterile disposable unit * compliance: ce / iso certified manufacturing standards. ]