DEWALT's 4 in. 24-TPI Bi-Metal Reciprocating Saw Blades (5 Pack) (SKU: DW4812) provide a practical replacement supply for contractors, maintenance professionals, fabricators, and DIY users who regularly work with metal. Their 24-TPI tooth pattern is engineered for fine cutting performance, while the bi-metal design offers a useful balance of flexibility, durability, and cutting life. The blades feature a standard reciprocating saw shank for compatibility with common reciprocating saws and compact cordless models. Supplied as a five-piece pack, they provide replacement blades for ongoing cutting tasks without requiring a complete new accessory set.