This vise screw is for the "L" shaped shoulder vise used on Scandinavian-style benches. 1-1/8" dia. screw with single-lead Acme threads. The threaded guide is mortised into the vise shoulder, while the end guide attaches to the vise jaw. 7-1/4" clamping capacity (less wooden shoulder thickness), 13" overall. Mounting screws included.
Note: depending on supply, shoulder-vise screw may be a different color than shown.