YUEOCT Telescope Dovetail Saddle Clamp Mount Base for Vixen Style Dovetail Plate Bar, with M6 M8 Countersunk Bores for Astronomical OTA Equatorial Head Tripod Adapter, Support Drop-in Mounting - AT-14

• 【Vixen-style Dovetail Saddle】 Designed to accept the Vixen-style dovetail plates. The dovetail saddle with reference scale of 1mm increments on both sides for easy adjustments. 【Support Drop-in Mounting】 It allows for drop-in loading by tilting and lowering the dovetail plate into the saddle. Features large knob with long stem for better stability and reliability. 【M6 & M8 Countersunk Bores】 There are two M8 countersunk bores with a spacing of 35mm (1.38"), four M6 countersunk bores with a spacing of 38mm (1.5"), one M6 countersunk bore 19mm (0.75") from center. M6 countersunk bores also accept 1/4" screws. They help you properly attach saddle to equatorial mount head and optical tube assembly. 【1/4" & 3/8" Threaded Holes】 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. 3/8" to 1/4" screw adapter is included. 【6.4mm Countersunk Bores】 There are three 6.4mm countersunk bores in each end, the bores with a spacing of 10mm (0.394"). Countersunk bores matching M6 and 1/4" screws. The end-to-end installation spacing is 80mm (3.15").