Extremely good quality made from fine tool steel, a centre punch set of 5 pcs. Hardened & tempered for good performance & long life. Knurled body for better grip. prod. size of point oal square head size code inch mm inch mm inch mm agcp-16s 116 1.6 4 100 38 9.5 agcp-20s 564 2.0 4 100 38 9.5 agcp-24s 332 2.4 4 100 38 9.5 agcp-36s 964 3.6 4 100 38 9.5 agcp-40s 532 4.0 4 100 38 9.5 agcp-5ss a set of above 5