8pc Wood & Metal Multi-Tool Set The 8pc set comprises of 5x Wood Blades and 3x Wood & Metal Blades. The Wood Blades can be divided into two categories, defined by the Teeth & Cut Type, milled teeth for a standard cut, or Japanese teeth for a precision cut. They are suitable for use on wood/timber, plasterboard, plastics. The Wood & Metal Blades are Bi-Metal. They are manufactured with milled & hardened HSS teeth for a standard or plunge cut for use on hard & soft wood, wood with nails, sheet steel, aluminium & other non-ferrous metals.