Nickel Silver 5/16 x 32 Knurled Nut is part of the small detachable brace post assembly

Nickel Silver Nut Stop is part of the small detachable brace post assembly

Large Detachable Brace Post No Radius includes: 1/2 x 32 Knurled Nickel silver Nut Brass Plug  Nickel Silver Threaded Post without the Radius OAL 1.055"  

This post plug is made of brass and fits the large detachable brace post assembly   

Nickel Silver Threaded Post for Large Detachable Brace Post Assembly without the Radius