["Multi Function Finderscope Dovetail Slot for Optical Telescope Finderscope \n\nSolid metal construction ultra-thin design, ultra-lightweight.\nIt can be installed to: for C8, C8HD, C925, C11HD, for SKYRVER: 80ED, 102ED, 130APO, for SKYRVER 100ED binoculars, and other primary mirror, can be mounted to the sharpstar, another model.\n\nCan be fixed: M3-M5 screw\nAstronomy telescope: Finderscope dovetail board\nastronomy telescope: Spotting for Scopes telescope\nDovetail Board: for optics Telescope\nAstronomical Telescope: Multi Function Finderscope\nLength: along the 34 mm\nWidth of internal lock: 5.1mm\nHorizontal length of internal lock: 37mm\nVertical length of internal lock: 35.5mm\nColor: black\nMaterial: Aluminum alloy\n\nPackage Contents:\n1 * Telescope Dovetail Slot\n\nOnly the above package content, other products are not included.\nNote: Light shooting 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."]