9 pc Piece Super Thin Wrench Set MM Metric Transmission Brake Hydraulic Spanner 9 pc Thin Combination Metric Wrench Set In Roll Case Drop forged, heat treated alloy steel, ALL 1/8" Inch Thick 8mm x 9mm, 10mm x 11mm, 12mm x 13mm 14mm x 15mm, 16mm x 17mm, 18mm x 19mm 20mm x 21mm, 24mm x 27mm, 30mm x 32mm