CMT OMF-X4 General Purpose Set for Multi-Cutters (4-Pc)The CMT OMF X4 is a 4 piece general purpose Starlock set including two HCS precision cut blades and two BIM plunge cut blades covering the most common oscillating tool cutting applications. WHAT'S INCLUDED 1x OMF126 X1 HCS Precision Cut Blade with Japanese Toothing, 1 3 8 inch wide, 18 TPI (Starlock) 1x OMF160 X1 BIM Radial Plunge Cut Blade for Wood and Metal, 1 1 4 inch wide, 20 TPI (Starlock) 1x OMF221 X1 BIM Radial Plunge Cut Blade, 2 inch wide, 18