Starlock, 3 pack, 1-3/8", wood/metal oscillating saw nail blade, multi-tool accessory is an all purpose blade is ideal for wood & wood with nails, additional applications include non-ferrous metals, nails, thin sheet metal, hardened fillers, plastics & fiberglass, starlock blades are compatible with milwaukee, bosch, fein, makita, rockwell & other oscillating tools.