Fowler 52-437-006-0, 3/8" - 2-1/4" Adjustable Parallels Set

3/8 - 2-1/4 Adjustable Parallels Set Includes: Fitted case Sizes: 3/8 - 1/2 1/2 - 11/16 11/16 - 15/16 15/16 - 1-5/16 1-5/16 - 1-3/4 1-3/4 - 2-1/4 Features: Each parallel has two dovetailed pieces that slide on each other and lock in position with set screws. Easily adjusted and set up to size with a micrometer. They can be quickly inserted in slots and expanded to size Height size ranges from 3/8 to 2-1/4 Slot size determined by measuring the parallels externally with a micrometer