Four 6.25″ x 2″ x 1/4″ diameter Steel Z Brackets. Each slot is .55″ wide for use with 1/2″ bolts. Slots are 1.5″ in length. See pictures for additional measurements. Plates are cut using a cnc plasma cutter. Plates are machinable and weldable. These plates are NOT hardened target steel. Tolerance + or – .06″.