YUEOCT Telescope Scope Adapter Mount Base Dovetail Saddle Clamp with M6 M8 Countersunk Bores for Vixen Style Rail Bar Plate Astronomical OTA Tripod Equatorial Mount Head - Support Drop-in Mounting - AT-07

• Engineered to accept the Vixen-style dovetail plates. It allows for drop-in loading by tilting and lowering the dovetail plate into the saddle. There are two M8 countersunk bores with a spacing of 35mm, four M6 countersunk bores with a spacing of 38mm, one M6 countersunk bore 19mm from center. M6 countersunk bores also accept 1/4" screws. They help you properly attach saddle to equatorial mount head and optical tube assembly. 3/8" threaded hole (with 1/4" adapter) in the center allows you to quickly attach the saddle to the tripod or other bracket that with 3/8" or 1/4" screw. The long stem keeps the knob away from the equipment so that you could attach the saddle to most equipment. Large knob with grooves provides a larger force bearing area for easy operation. 3/8" to 1/4" screw adapter is included.