2 Metal threaded tips for poles. (Buy 3 Orders - Get 1 Order Free) Acme male threads that will screw into any standard items. Fits poles 1" and smaller. If you have a metal pole bigger than 1" it will not fit. Please measure carefully to avoid dissatisfaction with item.  It will also go over cracked, worn out or broken plastic threaded tips. Simply put over existing threads and drill a hole thru pole using the hole on metal metal as a guide. Wood screws can be used instead of the machine screw and nut enclosed. 3.5" tall. Made in the USA.