E. Emerson Tool Co XWJ Contractor Wide Jaw Accessory
"E. EMERSON TOOL" WIDE JAW ACCESSORY FOR TOOL GUIDE * For use with Clamping Tool Guides - Ace no. 2301851 (36") 2301869 (36"), 2301919 (50") and 2301877 (99"). * Aluminum wide jaw accessory attaches to the straight edge. * Wide jaws extend clamping surface to 3-1/2" wide. * Create an automatic offset guide with the use of wood "story stick" (not included).