Thin kerf for up to 35% more cuts per charge vs. leading reciprocating saw blades. Short blade length for cutting in tight locations. Bi-metal construction for increased tooth durability and long blade life. Cuts fiberglass, ceramic tile, plaster, and hardwood flooring. No. 49-00-5400: Length: 4 In., Type: Fiberglass, Application: Fiberglass,Ceramic,Plaster,Hardwood Flr, Pkg Qty: 3, Package Type: Sleeve