These are high quality Cable Tracks!! I am very impressed! Rating: [5 of 5 Stars!]

Very nice coupler and it fits the 1/2" shaft extender perfectly. Rating: [5 of 5 Stars!]

I have a set of the 380 oz-in NEMA 23 steppers (4.1mH inductance) and now a set of these 320 oz-in (2.8mH inductance) motors. I'm driving a 3 axis Router with 10mm lead ballscrews and a Mini-mill with... view full review Rating: [5 of 5 Stars!]

I have been using these Drives for about two years now and they have performed better than advertised. They go together quick and the parts fit just like they should. I plan to use these when I build ... view full review Rating: [5 of 5 Stars!]

Perfect pieces. Got them in the mail today, Fast shipping, nicely packaged. And some Awesome service. I ordered the wrong thing, he sent me the right thing! :D Rating: [5 of 5 Stars!]

I bought 3 of these, ( nema 34 R&P mounts) for my joe's 4X4 cnc router. I can not say enough good things about these. Ahren had done a excellent job at designing a top notch, quality product here. The... view full review Rating: [5 of 5 Stars!]