Bessey 5-1XXX Edge Clamp For use with Bessey; Tradesmen clamps and other bar clamps, this edge clamp can be mounted anywhere on the bar to provide added clamping power. Bar sold separately. Easy to use easy to install and highly durable Wood handle High strength roll formed threaded spindle threads Locking knob for attachment to bar clamp rail included wood handle high strength roll formed threaded spidnle threads Locking knob for attachment to bar clamp rail included