The Motobilt Welding Square is CNC Laser cut out of 3/16 inch high strength steel. It measures 12 inch x 12 inch x 17 inch and is 4 inch wide. Holes are 1/2 inch and hole spacing is 2 inch on center. Slots are 1/2 inch as well.
Could be bolted down sideways to a table, used as a fixture on a welding table, laid down flat and used as a 4 inch tall block and has unlimited other uses. Ships bare metal and in five pieces. DIY kit must be tacked together.