Made of a lightweight and durable aluminum alloy with a scratch-resistant anodized finish, Losmandy's 19" Universal Dovetail Plate is designed for use with a wide array of telescope OTAs from an assortment of manufacturers. The plate attaches to the OTA's mounting rings or holes and is outfitted with a large Losmandy-style dovetail that fits into compatible saddles. This plate has multiple OTA mounting holes spaced at 1.25", 3.5cm, 1.5", 2", 6cm, and 3.5"; and can be used as a side-by-side plate for a 14.875" separation.