SWAG Off Road Arbor Press Plates (Pair) 12.00" X 12.00" X 1.50" Made in the USA! SWAG Off Road Arbor plates are cut out of high strength grade 50-A572 steel. These arbor press plates are to replace the junk cast arbor plates that are prone to shattering. Every SWAG arbor press plate is machined on both sides to remove mill scale and sharp edges. We currently offer 4 different sizes of arbor plates.