All-In-One XTJ Tall Jaws Fixture for All-In-One Clamp (2 pack) Fits all E. Emerson Tool Co. Straight Edge Clamping Tool Guides Aluminum jaws increase clamping surface to 3 3/4 inch wide by 1 1/4 inch high for assembly and glue up applications Includes 4 screws for installation Set of two aluminum jaws for one clamp Additional holes in jaws allow for attachment of customer supplied forms