SIZE SPECIFICATION: Box + Set/9 Pcs: Size - 1.5 mm, 2 mm, 2.5 mm, 3 mm, 4 mm, 5 mm, 6 mm, 8 mm, 10 mm.;TECHNICAL SPECIFICATION: Standard IS 3082 / DIN 911, Material High Grade Alloy Steel, Mechanical Properties - HRC 47 (Min), Plastic Box.;HSN CODE: 82041120.