Contains 5/16 In., 5/8 In., 3/4 In. cold chisels; 1/16 In., 1/8 In., 5/32 In., 3/16 In., 1/4 In., 5/16 In. pin punch; 1/4 In. center punch; 3/8 In. prick punch; and 7 In. scratch awl. Scratch awl ideal for starting screw holes. Cold chisels used for cutting and shaping metal that is softer than the cutting edge. Pin punches are used to remove a pin or key. Center punches are used for making accurate hole starting easier. Prick punches are used to mark and scribe work pieces.