Taytools 465708 10 Pair Matched Machinist Parallels 18 Inch Thick x 6 Inches Long ½ inch Through 1-58 inches Wide 52-58 HRC Parallel and Height Tolerances 0_0002 Inch

This set of machinist parallels contains 10 sets or pairs of parallels that are 1/8 inch thick and 6 inches long. Widths graduate from 1/2 inch to 1-5/8 inches by 1/8ths. Individual sizes include: 1/2, 5/8, 3/4, 7/8, 1, 1-1/8, 1-1/4, 1-3/8, 1-1/2 and 1-5/8 inch. Each has a pair of holes with sizes ranging from 3/16 to 1/2 inch. They are made from precision ground high grade alloy steel that is hardened to 52-58 Rc. Pairs are guaranteed to be parallel and height matched within 0.0002 of an inch (that’s 2 ten-thousandths of an inch!!).