{"product_id":"1-8-x-3-precision-parallel-set-1-2-3-matched-pair-block-set-9999-0031","title":"1\/8 X 3\" PRECISION PARALLEL SET \u0026 1-2-3 MATCHED PAIR BLOCK SET (9999-0031)","description":"\u003cp\u003eHHIP 1\/8 X 3\" Precision Parallel Set \u0026amp; 1-2-3 Matched Pair Block Set The 2-hole parallels are made from fine quality tool steel that is stress relieved against distortion. These parallels are precision ground and hardened and are complete with a fitted wood case. Sizes include 1\/8 X 1\/2 X 3\", 1\/8 X 5\/8 X 3\", 1\/8 X 3\/4 X 3\", 1\/8 X 7\/8 X 3\", 1\/8 X 1 X 3\", 1\/8 X 1-1\/8 X 3\", 1\/8 X 1-1\/4 X 3\", 1\/8 X 1-3\/8 X 3\", 1\/8 X 1-1\/2 X 3\" and 1\/8 X 1-5\/8 X 3\". The tolerance for the parallels is parallel to 0.0003 on 2 sides, top \u0026amp; bottom and the dimensions are within 0.001\" allowance. The 23 hole 1-2-3 blocks are heat treated and case hardened to HRC 55 to 60 and are hardened and precision ground on all 6 sides of each block. These blocks are accurate with squareness on all sides within .0002\" per inch. The 23 holes consist of 5 tapped holes that are 3\/8\"-16 for clamping and 18 untapped holes. The 1-2-3 blocks have a cross drilling design to give them minimum weight and maximum strength. Shipping Weight: 4.4 lbs\u003c\/p\u003e","brand":"MACHINEX","offers":[{"title":"Default Title","offer_id":52485024973111,"sku":"9999-0031","price":57.51,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/0082\/6679\/files\/9999-0031_9999-0031a9623_4.jpg?v=1781632380","url":"https:\/\/machinexsupplies.com\/products\/1-8-x-3-precision-parallel-set-1-2-3-matched-pair-block-set-9999-0031","provider":"MACHINEX Supplies","version":"1.0","type":"link"}