The Bazooka replaces the traditional out of ground umbrella base which may fall over with your umbrella in windy conditions.This is the perfect, commercial quality, in-ground mounting system for an umbrella. This mounting device can accommodate an umbrella pole diameter as large as 1 ½”.Once this galvanized steel / stainless steel mount is set in concrete by the user, the Bazooka allows for simple removal of an umbrella, making it simple to mow the lawn. There will no longer be need to move around or store heavy and awkward traditional umbrella bases.The Bazooka also features a locking system for the umbrella stem if needed. Features: 22" neck with 12" inground sleeve Accomodates 1-1/2" diameter umbrella pole. Stainless steel locking plate and latch used for concrete, soil and deck installation.