Original replacement boot/foot — part no. 723820 — a molded black rubber cap designed to protect and stabilize the small folding legs on portable workbenches. Fits and holds the leg in the down (lowest) position and prevents metal-on-floor contact and wear; it installs as a simple push-on cap and is sold individually. Compatible examples shown in parts lists and spare-parts references include Black & Decker Workmate models WM300, WM301.