Vixen Style Dovetail for the Celestron and Meade OTA's. Fits popular mounts like Meade LXD, Synta, Orion, TeleVue, Vixen and More. The 8" bar is 14" long 5/8" thick. Attaches directly to the OTA using the existing holes. The Celestron Versions include two radius blocks for mounting to the holes spacing that is separated by 1.75". All necessary hardware included.