The Ohaus 30392217 Clamp Multi Purpose CLM-FIXED3DZM is designed to securely grip and position laboratory apparatus. It features a 3-Prong Dual Adjust clamp style and is made of nickel plated material. The grip range is 0 in - 2.72 in (0 mm - 69 mm). This medium-sized clamp has a prong width of 0.79 in (20 mm) and dimensions of 5.75 in (146 mm).