Accurate Pillar Pins & Bushes are made from Alloy Steel and carefully heat-treated from HRC 58 to HRC 62. These are precision ground to h4 tolerance & recommended N5 fit for bore. Standard Pillar No.DL – Lengths1.20125, 1502.25140, 160, 1803.28180, 2004.30180, 1905.32150, 180, 200, 2306.36170, 200, 2507.40200, 250 Non Standard Pillar No.D L – Lengths 1.1590, 1002.1690, 1003.19125, 1504.20100, 1805.24140, 160, 180, 200, 2256.25200, 250, 3007.28150, 225, 250, 3008.30150, 200, 225, 2509.32300, 250, 35010.36225, 275, 300, 35011.40225, 275, 300, 350, 40012.50200, 225, 255, 270, 300, 350