Cross Beam Bracket
Designed to make my wiggly table less wiggly.
Mates with Ikea Olov legs
(http://www.ikea.com/us/en/catalog/products/30264301/)
and .75" x 4" pine board (easily found at most hardware stores)
Hardware:
8, 1/4"-20 x 1" machine screws w/ nuts
8, #8 x 5/8" flat head phillips wood screws