Sine Bars and Angle Block Set

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These are specialized machine shop tools designed to hold a work piece at a precise angle using different methods. High-end professional shops rely heavily on standard-sized 5-inch and 3-inch sine bars to achieve highly accurate angles. However, before utilizing these sine bars, it's essential to have gage blocks in place; instructions for their use can be found on the dedicated tab. The angle block set offers a more efficient alternative for setting an angle. Consisting of triangle blocks featuring pre-set angles of 5 degrees, 10 degrees, and 30 degrees, they can be stacked together to provide any desired angle between 5-45 degrees in increments of 5 degrees. By placing the blocks in reverse order, it's possible to subtract angles from the total. A J-shaped holder keeps these blocks securely in place, preventing them from sliding off each other. For reference, a high-quality steel sine bar can be found on Amazon at http://amzn.to/28OzfdX.