New heavy duty mount will hold telescopes up to 35 pounds. Mount Head Only. This head is designed to work with the Stellarvue pier/tripod (TSL5) which provides the most stable platform. It can also be mounted to a heavy duty surveyor's tripod using a 3/8-16 bolt or we can make the mount to accommodate the larger 5/8-11 bolt which is used on most surveyor's tripods (specify when ordering). Includes two arms with 1/4-20 attachment holes that are 1.5" apart for our TP6, TP-19 or Losmandy plates. Mount our TD2, TD3 or TD7 spring loaded dovetail bases for quick release. Black hard anodized cnc finish. Head weighs 14 pounds. Tripod and telescope available separately. With Encoder, Sky Commander Computer, TSL6 Pier Tripod for M7 and Large Losmandy Style Spring Loaded Dovetail Base-