ABN 123 Blocks Set for Machinist Milling - 5 Matched Pairs with Clamping Holes

[5 Matched Pairs]: Create parallels, hold workpieces, and accurately position machining parts with 5 matched sets of the ABN 123 Precision Metal Blocks with 23 Holes [Quality Construction]: Precision cut and milled from steel these setup blocks are a must have for the woodworker, machinist, and industrial welder tool kit [Accuracy You Need]: These 1 x 2 x 3in (2.54 x 5.08 x 7.62cm) machinist blocks have 90-degree squared accuracy on all sides down to .0002in (0.005mm) [23 Precise Holes]: 5 holes on these drill blocks are threaded with 3/8-16 for secure clamping; 18 untapped holes for drilling through parts to create precise parallels [Lightweight Design]: The 123 metal block sets feature 23 cutout holes that lighten the load of your gauge blocks machinist set to 2.07lbs (0.94kg) per matched pair WARNING: This product can expose you to chemicals which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.