Includes 8 pieces.1949M-10-11 double open end flare-nut wrench, 10 mm to 11 mm.1949M-12-13 double open end flare-nut wrench, 12 mm to 13 mm.1949M-14-15 double open end flare-nut wrench, 14 mm to 15 mm.1949M-17-19 double open end flare-nut wrench, 17 mm to 19 mm.1949M-19-22 double open end flare-nut wrench, 19 mm to 22 mm.1949M-24-27 double open end flare-nut wrench, 24 mm to 27 mm.1949M-30-32 double open end flare-nut wrench, 30 mm to 32 mm.1949M-8-9 double open end flare-nut wrench, 8 mm to 9 mm