Magma Dual Locking Flush Deck Socket w/Levelocka Mount. The posts are equipped with Magma's versatile LeveLock adjustable locking mount allowing complete fore and aft adjustment of the table. A push button lock pin allows use while underway. Sockets feature a flange gasket with integral flip-up water seal cap. Some fasteners are required for installation. Specifications for Magma Dual Locking Flush Deck Socket With Levelocka Mount: Manufacturer: Magma Size: One Size Application: Outdoor Age Group: Adults Package Contents: Magma Dual Locking Flush Deck Socket With Levelocka Mount Magma T10-527: Dual Locking Flush Deck Socket w/Levelocka Mount