The high quality GSO clamps are made of reinforced aluminum. They are used to attach telescope tubes directly to the assembly or using the optional dovetail. The clamps are equipped with hinges, and their upper part is secured with a pressure screw ensuring secure fixing of the tube. The clamp base has holes for M6 screws (bolts are not included).
The set includes two clamps with internal diameter of 358 mm. Designed for GSO 12 "/ ? tubes = mirrors = 300 mm (eg Dobson and OTA)