The Motobilt Welding Square is CNC Laser cut out of 3/16 inch high strength steel. It measures 12" x 12" x 4" wide. Holes are 5/8" and hole spacing is 2" on center. Slots are 5/8" as well.
The square 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 unwelded bare metal and in five pieces.
Note: DIY kit must be welded together.
