Scanstrut Scanpod Single Instrument Pod Rail Mount - Cut f/Standard Instrument - Fits 1" - 1.33" Rails [SPR-1I-RM]Scanpod Single Instrument Pod Rail Mount Cut f Standard Instrument Fits 1" 1. 33" Rails Features: Applications: Designed for (1) Standard Instrument Current sailboat designs often have very open cockpits with few options for installing retro fit instruments The Rail Pod gives you an option for fitting smaller displays and instruments directly onto a rail, in a position which suits you Rail Mounted Universal Fixing Fits pedestal rails from 25mm to 33.