2 Pieces Set Includes: (1)... Castroviejo Scissors Straight Sharp/Sharp 4.5 Inch: Working End Length is 2 cm, Net Weight is 0.24 oz. (2)... Castroviejo Scissors Straight Sharp/Sharp 4 Inch: Working End Length is 1.6 cm, Net Weight is 0.44 oz. Microsurgical scissors unique design features allow extremely smooth cutting of fine and coarse tissue with reduced trauma. These Surgeon's Castroviejo Scissors Provide Smooth, Clean Cuts in Delicate Materials. Ultra-sharp, precision-ground jaws with anti-slip microscopic serrations and spring-loaded knurled handles provide the control you need to make perfectly smooth cuts in delicate materials...every time. Beautifully made of stainless steel. Castroviejo Scissors are double spring ophthalmologic scissors most commonly used during iridectomy and corneal surgeries. This product has with sharp/sharp tips. Ophthalmologic scissors most commonly used during corneal transplants or corneal trephination removing a round piece of the cornea.