Avenger AV-32024-5 Combination Blade, 3-1/4-inch by 24 tooth, 10mm arbor, C-2, TCT, 5-Blade pack Designed to fit most Porter Cable Trim and Microlux tilting arbor table top hobby saw. Fits most small table top models, portable power saws, with a 10mm arbor 5-PACK SET Tooth Grind: TCT Max RPM: 12,000 rpm