Glowforge Proofgrade Basswood Hardwood brings you the ideal material for use with your Glowforge Plus or Glowforge Pro machine. It offers a clean, light surface that is perfect for your most intricate engravings.Proofgrade natural hardwoods are solid boards inspected to ensure there are no major knots or defects. The material has been selected for its strength and beauty. The Proofgrade collection is specially designed and safety tested for laser cutting and engraving. Proofgrade materials are formulated for use with the Glowforge 3D laser printers and are outstanding for any CO2 laser cutter or laser engraver. Size: 15.2 x 30.5cm (6 x 12 inches) Medium thickness (approx. 1/8 inches) Clean, light surfaceIdeal for use with the Glowforge machinesSafety tested for laser cutting and engraving Perfect for intricate engravingsGlowforge Proofgrade Basswood Hardwood 6 x 12 Inches