This has become a very popular workbench plan. Kit includes a twin screw vise, leveler glides, and four sections of T bolt track.
Spring loaded lock pin allows screws to be operated independently.
Capacity can be increases with the use of Bench Dogs. Just make wooden jaws to size for your bench. Has low profile ABS Plastic chain cover. Easy to install, all installation hardware and complete instructions are included. No special mortising is required.