Kit includes:

8 - Black, 2 leg, steel corners. 1/2" radius. with 16 screws

1 -  jack plate. with 4 screws. 4 x 4.5" 

4 - Rubber Feet (no screws included for feet)

4 Speaker mounting t-nuts and bolts. 

1- Simple black strap handle with 2 t-nuts and bolts.