The match-up of the century!! K40 Laser VS Slate Coasters! In THIS corner…40 Watts of unadulterated photonic energy…VERSUS… the metamorphic material that tends to split along parallel cleavage planes known the world over as SLATE! Will the K40 Laser be able to create awesome engravings on very versatile and classy slate coasters complete with cute little foam feet?? Stay tuned to find out!