400mm / 15.7" Rail Bar Metal Dovetail Mounting Plate with M6 1/4" 3/8" Camera Screw for Vixen Style Dovetail Saddles Telescope Scope Adapter Mount Base OTA Equatorial Tripod Sky Astrophotography

Standard Vixen-style dovetail on the bottom is compatible with Vixen-style saddles from any brands.
With four long 71.8mm / 2.83" slots that is ideal for mounting and properly balancing devices. The slots are 6.4mm in width which accept M6 and 1/4"-20 screws. In addition, there are two 3/8"-16 threaded holes (M8 countersunk holes) with a spacing of 35mm in each slot.
There are 16 pairs of 6.4mm countersunk holes with a spacing of 20mm. The 6.4mm countersunk holes matching M6 and 1/4"-20 screws. It is ideal for the rings that with M6 or 1/4"-20 threaded holes with a spacing of 20mm.
It reserved three 1/4"-20 threaded holes for mounting on a variety of brackets that with 1/4" screw.
Sixteen anti-slip rubber pads enhance the grip between mounting plate and devices, and protect devices from any damage due to mounting. Four safety stop screws in bottom is to prevent drop by accident. (Note: It need to remove two safety stop screws for the saddle that does not support drop-in loading)

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