Vertical self-centering drill guide

This drilling guide is bigger version of Vertical self-centering drill guide which allows you drill material up to 70mm thickness. Thread for steel drilling guide is M14x1,5 (https://www.aliexpress.com/item/1005005682746909.html?spm=a2g0o.order_list.order_list_main.11.1a051802CHjqoX)