Product Overview
Series I Graspers feature "Comfort Loop" handles and are available in 2.75 mm, 3.4 mm and 4.2 mm shafts diameters. Series I NR Graspers are made with non-ratcheting handles and are non-locking. Series I SR Graspers feature a self-releasing locking mechanism.
(https://www.arthrex.com/)
