As one example, it is particularly handy for edge planing or routing. Clamped onto one end of a bench, the vise lets you clamp work using the complete bench surface for support, something no other vise does.
The jaws measure 5" x 4-1/4" and are through drilled for face-plate attachments. Capacity is 3-3/4", both vertically and horizontally. Cast aluminum construction. Useful in any shop.