Bessey Tools 4 In. 90 Degree Angle Clamp features a single spindle design that makes it quick and easy to use. Its -floating jaw allows you to clamp workpieces of different thicknesses and widths together ly at a 90° angle. The die-cast jaws are plastic coated to protect your workpieces and have an open design that provides ample for screws, dowels, or staples during the gluing process. Included with the clamp is a pair of TK-6 table clamps, making it simple to secure the WS-3 clamp to your work surface. This clamp holds and aligns materials precisely at a 90° angle and automatically adjusts to hold two different sizes of wood together, making your woodworking tasks more efficient and accurate. Model Number: 4 In. 90 Degree Angle Clamp