L.S. Starrett 154 Series Adjustable Parallels Set

• Provide a wide range of use in layout, gauging, inspection work and for setups on various machine tools
• 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
• Useful as gauges in checking the size of slots and openings
• Slide smoothly and can be easily adjusted