This tool clamp works in conjunction with your workbench vise to provide extra height when you want to raise the working height of a piece, such as when sharpening your saw or when you require additional clamping depth from your vise. Made from lacquered birch, it has a non-slip abrasive surface on the jaw faces to prevent your workpiece from slipping. Measures 12 3/8" long by 4 15/16" wide and provides an additional 6 1/4" of clamping depth. A real helper in the workshop.Made in Sweden.