10" long 4"x4"x.125" square tube pockets for the posts

10 degree angle cut into the 4x4 material 

5/8" holes 2 in front wall wall 2 in rear wall and 1 each on the side walls even with the lower hole 

10" triangle base .1875" thick with 5.5 sides (3 offset 5/8" holes on each side

Large inside loop for connecting chain made from 3/8" solid bar stock.

Powder coated durable matte textured black