Rockwell RW9207 Vise Extension Jaw for RK9006 Extends the BenchJaws holding and clamping capacity from 16-Inch up to 24-Inch Helps hold larger objects like cabinets and pieces that would not fit into a standard bench vise Polyurethane pads protect the work piece Pad size: 6-7/8-Inch x 1-7/8-Inch