9/16 INCH MIN. HOLE SAW SIZE; 1-3/16 INCH MAX. HOLE SAW SIZE; .5625 MIN. HOLE SAW SIZE - DECIMAL; 1.1875 MAX. HOLE SAW SIZE - DECIMAL; 9/16 MIN. HOLE SAW SIZE - FRACTIONAL; 1-3/16 MAX. HOLE SAW SIZE - FRACTIONAL; HEX SHANK SHAPE; RIDGID. BRAND