CMT OMM16 X5 1 3 4" Plunge & Flush Cut for Wood & Metal BIM+TIN (5 Pc) Straps and Ties Underside keel provides consistent fastener Underside keel provides consistent fastener positioning registers the biscuit in the correct location automatically and marine environments where long term structural integrity is critical Universal Arbor Compatibility fits most oscillating multi cutters on the market CMT OMM16 X5 1 3 4" Plunge and Flush Cut Oscillating Blade for Wood and Metal BIM+TiN (5 Piece) is a professional grade universal arbor saw blade engineered for demanding plunge cutting and flush cutting tasks across a wide range of materials