Genuine DeWalt replacement knob (part no. 820728) — a molded plastic winding-handle knob designed to fit the jaw-winding spindle on DeWalt/Black & Decker Workmate benches; built for a secure push‑on fit and a comfortable, grippable profile.

Examples of models this knob is used on include WM300, WM400, WM529, WM550, WM700 and WM825 (and many other Workmate variants), so it’s a direct-fit spare if your bench’s wooden jaw won’t advance or the original knob is cracked.

Simple to install — press onto the winding spindle to restore positive engagement and smooth adjustment of the jaws — this genuine DeWalt part gets your workbench clamping action working like new again.