Wood and plastic blade. Super sharp fleam filed teeth for extremely fast cutting with a smooth edge in nail-free wood and plastic. 6 TPI. Packaged 5 blades per plastic pouch. No. 48-00-5015: Length: 6 In., Teeth Per Inch: 6 TPI, Type: Wood, Material: Bi-Metal, Application: Wood, Plywood, OSB, Engineered Wood, Pkg Qty: 5, Package Type: Clamshell No. 48-00-5016: Length: 9 In., Teeth Per Inch: 6 TPI, Type: Wood, Material: Bi-Metal, Application: Wood, Plywood, OSB, Engineered Wood, Pkg Qty: 5, Package Type: Clamshell No. 48-00-5017: Length: 12 In., Teeth Per Inch: 6 TPI, Type: Wood, Material: Bi-Metal, Application: Wood, Plywood, OSB, Engineered Wood, Pkg Qty: 5, Package Type: Clamshell