Sapphire Scalpel BladesFeatures Sapphire blades for surgical applications 0. 20 mm Thick Variety of shapes Handle 501811, 500317 sold separately Options Order code Tip Size & Shape 504072 Double Edge Lancet, 0. 75 mm Wide, Angled 60 504073 Single Edge Lancet, 1 mm Wide, Angled 45 504074 0. 25 mm Thick, 1. 50 mm Wide, Round Sharp 504075 0. 20mm Thick, 2. 80 mm Wide, 60 Angled, Elbow Double Lancet 504076 Double Edge Lancet, 0. 50 mm Wide, Straight 504077 Double Edge Lancet,