Made of premium aluminium alloy, solid construction is wearable and durbale for years of use. Easy to use, with it you can install telescope findscope on your telescope. Nice accessory for star observation lovers. Durable. Fine workmanship and perfect style. size: 39 x 54.2mm Material: Aluminum alloy colour: red Package Contents: 1 x Dovetail Plate 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. Nice accessory for star observation lovers. Made of premium aluminium alloy, solid construction is wearable and durbale for years of use. . Fine workmanship and perfect style. Easy to use, with it you can install telescope findscope on your telescope. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.