SIZE SPECIFICATION: Set/7 Pcs - (T10, T15, T20, T25, T27, T30, T40). TECHNICAL SPECIFICATION: Short Pattern with Hole, Folding Plastic Holder packing, Chrome Vanadium Steel, Black Finish, Chamfered Head, Proper Heat Treatment 48-52 HRc. HSN CODE: 82041120. PRODUCT CODE: FHAE2407H (EAK-2407H).