20Pairs (40pcs) of Parallel Set. +/-. 0001" in Parallelism. Each parallel is " thick x 6" long without any holes on the body. We'd like to settle any problem in a friendly manner. Each Set contains 1 Pair of the height listed: 1/2; 9/16; 5/8; 11/16; 3/4; 13/16; 7/8; 15/16; 1; 1-1/16; 1-1/8; 1-3/16; 1-1/4; 1-5/16; 1-3/8; 1-7/16; 1-1/2; 1-9/16; 1-5/8; 1-11/16".
