It is designed to be a safer, more stable fixing fixture mechanism and avoids the use of impossible pressure marks. You can attach the telescope to a mount or cumbersome accessory in order to use a Losmandy grade dovetail rail with it. In addition, it is great at clamping all For Losmandy 3 inch grade dovetail bars, especially the large capacity. There are two sets of inverted guns on the saddle plate. In each set there are seven inverted holes, two M8 holes - at a distance of 35 mm (center to center) and five M6 holes at varying distances vertically and horizontally up to the center, so that they can be attached to almost any surface. Dimensions: length 160 mm - width 118 mm (without screws) - width 153 mm - height 19 mm.<br><br>Colour:black Material:Metal<br><br>Package Contents: 1 * Dovetail Clamp<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.