T-Slot plate 20" x 12" 100% cast aluminium,T-Slot plate 20" x 12" 100% cast aluminium, T-Slot plate 20" x 12", Face milled from both sides, 1x TSP 20" x 12" with 6 T-Slots, Make your own mounting holes,Made of solid cast aluminum, aluminium T-Slot plate 20" x 12" 100% cast.