1/8" thickness precision steel parallel set 10 pairs/set 0.0002" accuracy

10 pairs 1/8" thickness precision steel parallel set. All 6" long. Made of high quality hardened steel. Precision ground. Within 0.0002" in parallelism. Paired 0.0002" in height Inluding 1 pair of the following heights: 1/8 x 1/2--------13/64hole 1/8 x 5/8--------1/4 hole 1/8 x 3/4----------5/16 hole 1/8 x 7/8 ----------5/16 hole 1/8 x 1--------------5/16 hole 1/8 x 1-1/8---------3/8 hole 1/8 x 1-1/4---------3/8 hole 1/8 x 1-3/8---------3/8 hole 1/8 x 1-1/2---------1/2 hole 1/8 x 1-5/8---------1/2 hole Fitted in deluxe plastic box.