Store › Laser-Engraved Walnut Coaster Set (4) Image 1 of 1 Laser-Engraved Walnut Coaster Set (4) $58.00 Black walnut set of 4 with custom name or logo engraving.Dimensions: each coaster 4" diameter × ⅜" thick. Add To Cart Added! Black walnut set of 4 with custom name or logo engraving.Dimensions: each coaster 4" diameter × ⅜" thick.