Losmandy GM200 Tangent Arm Mount with upgraded worm bearings. Both high and low piers and leg sets, NGC Max computer, built in encoders, three 28# and one 21# weights, leg levelers and anti-vibration pads (Losmandy) on one set of legs. Seperate hard cases for RA and Dec mount components. Holds 150# instrument load. $4500 plus shipping.