40mm (roughly 1.5") bases perfect for your dungeon crawling and wargaming miniatures. Bases are 3mm tall. The underside of these base is pre-scored to make it easier to cut slots or peg holes into the base. This pack has 50 bases in it making it one of the best price per a 40mm base on Amazon! Impact also provides 25mm and 30mm bases on Amazon for very low pricing.