Starrett 154A 3/8 To 1/2 Inch Adjustable Parallel Starrett S154SZ | 50584 | 4CEP5 | Adjustable Parallel Set, 3/8 To 1-5/16 Inch Range, 4 Pieces | Raptor Supplies United Kingdom Machinist Parallel 3/8 To 1/2 Inch Their adjustable feature makes it possible to adjust them to exact size by micrometer measurement and also permits use in place of several solid-type parallels. Shop 154A Starrett - Adjustable Parallels - 3/8" - 2-1/4" - Series 154 from Judge Tool & Gage, trusted by the world's leading manufacturers, engineers, & designers This is also convenient for use in machine vices, for levelling or adjusting work on setups of milling and grinding machines, shapers, planers, drill presses and for many other applications. Item Features Quick Reading Parallels slide smoothly and can be easily adjusted Locked by one screw All parallels are 9/32 in (7mm) thick Application The Starrett Adjustable Parallels provide a wide range of use in layout, gaging, inspection work and for setups on various machine tools. Their adjustable feature makes it possible to adjust them to exact size by micrometer measurement and also... Starrett adjustable parallel provide a wide range of use in layout, gaging, inspection work and for setups on various machine tools. Adjustable Parallel Sets | MSC Industrial Supply Co Good product for use , Easy to use