STRAIGHT BACK TYPE; BI-METAL MATERIAL; 4 INCH BLADE LENGTH; 1 INCH BLADE WIDTH; METAL, NON-METAL CUT MATERIAL; 0.042 INCH BLADE THICKNESS; STRAIGHT TEETH TYPE; 18 TEETH PER INCH; CUT MATERIAL THICKNESS 18 GAUGE TO 1/8 INCH; SHANK SIZE 1/2 INCH