107FL CR (Carbon Fiber Tube + Rack & Pinion Focuser ) Set 
including 2107, 7803, FTF-BORGII, FTF-M57(7901 version), 7352, 7108 & 2 x 7085. The back end of FTF-M57 is 7901. A set includes a pair of mounting rings.
The Borg line of products consists of a flexible and uniquely modular series of high quality Japanese-made refractors.
Price does not include shipping and brokerage, which will be confirmed before actual payment is taken.