Original Black+Decker / DeWalt replacement cutting blade — part number 1004758-50 — a molded high-impact plastic blade made to the factory mounting pattern for a direct swap.

Built for compact hover / cordless mowers with a 30 cm (300 mm) cutting deck, it is listed specifically for the BEMWH551 (Type 1)

Easy to fit — bolt-on replacement that matches the original blade geometry and mounting holes — and sold as the single replacement blade you need to get the mower back to service. This is a genuine DeWalt / Black+Decker spare commonly found in DeWalt parts listings.