|   | .jpg)  | New Precision Gear & Dial Hubs from SI; Designed To Fit Hubs with Limited Hub O.D., Eliminates Keys Stock Drive Products/Sterling Instrument- SDP/SI, New Hyde Park, NY 23 Apr 2013  A new series of precision gear & dial hubs from Sterling Instrument are designed to fit gears or dials, plus eliminate keys or splines.  |   | 
						|   | .jpg)  | Precision Internal Gears from QTC Are Stocked in 22 Sizes in Modules 1 to 3 Quality Transmission Components, New Hyde Park, NY 1 Nov 2011  Precision 20° pressure angle internal gears from Quality Transmission Components are stocked in 22 sizes in modules 1 through 3. They can be combined with available spur gears to make planetary gear drives.  |   |