Products Reversible Synchronous Motor – 375 RPM – GSC3 Show Product Reversible Synchronous Motor – 500 RPM – GSC9 Show Product Reversible Synchronous Motor – 500 RPM – GSC9 9t Show Product Reversible Synchronous Motor – 500 RPM – GSC6 Show Product Uni-Directional Synchronous Motor – 375 RPM – GSC12 Show Product