1.75 Inch ID x 192

I received four new puleys from Preferred Doors and installed them on my old 1972 vintage garage door today. It now opens and closes very smoothly and quietly, just like new again!

Great to work with - exactly as described, and delivered very quickly. Highly recommended!

Product arrived on time, works perfectly, and well-priced.

Brackets were exactly what I needed to complete my door install,quick shipping and smooth transaction, thanks

Have had previous incidents that my Liftmaster key pad attatched to my Toyota car key pad in my pocket has unknowingly opened my garage door, sometimes overnight. Now I know from upstais in my office just by seeing a little green light that the garage door is closed. But if there is a red light I just push the button on the monitor to close the door. Great Product!