Kreg combines the function of a corner clamp with the convenience of a face frame clamp to create the ultimate clamp for box construction. Pull drawer boxes into alignment quickly and easily. Assemble and secure 90-degree shelving in a snap. Self-squaring design aligns individual joints every time. Large clamping surface protects soft woods against workpiece imprint Includes quick-adjust handle for varying stock thicknesses up to 1-1/4".