6.0 mm smooth platform, 4″ (10.0 cm)?Tennant Tying Forceps are a particularly useful ophthalmologic tool, particularly during corneal graft transplant. Commonly, the forceps are used with either a six or four-wire needle. Curved Tennant forceps are ideal for burying sutures with the eye fixed to maintain proper graft topography, and a straight profile forceps is available depending on surgical preference.