Internal Fit-Up Clamp, Clamp Type Internal Clamp, Maximum Pipe Size 4 in, Minimum Pipe Size 2 in, Application Pipe to Flange, Body Material Stainless Steel (Contact Points), Features Independent Adjustment Allows for Alignment Even If Internal Dimensions Differ, One-Piece Construction, Simple and Quick One-Man Operation Allows for One Jaw to Clamp The Pipe Inside Diameter and The Second Jaw to Clamp on The Flange, Internal Fit-Up Clamp Is Built for Durability and Reliability