3/8 to 1/4 screw adapter is included. Quickset Samson and Hercules tripods make good scope mounts. New, they cost thousands, but you can get them on Ebay for a couple to few... Features two locking knobs for better stability and reliability. Vixen Style Dovetail Clamp for ASI Air by Hilmi | Download free STL YUEOCT Telescope Dovetail Saddle Clamp Mount Base for Vixen Style Dovetail Plate Bar, with Dual Locking Knobs for Astronomical Astronomy OTA Equatorial Head Tripod Adapter, Support Drop-in Mounting: Telescope Accessories 【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. Vixen-style Dovetail Saddle] Designed to accept the Vixen-style dovetail plates. Features two locking knobs for better stability and reliability. [Support Drop-in Mounting] It allows for drop-in loading by tilting and lowering the dovetail plate into the saddle 【M6 & M8 Countersunk Bores】 There are four M8 countersunk bores with a spacing of 35mm (1., 38), two M6 slots with installation spacings ranging from 55mm to 70mm (2., 17 to 2., 76). 【Support Drop-in Mounting】 It allows for drop-in loading by tilting and lowering the dovetail plate into the saddle.