fighter bases

Hi-ho Listites! 

Someone (who is what I'm trying to find out) 
makes a fighter base that is about 1 cm x 1 cm 
lead, about a mm or two thick, and has a 
raised lip around the edge. This makes an ideal 
resting space for a dice. A friend has some, but 
he bought them at a con and doesn't know who 
makes them. He mounts fighters by drilling a 
pin up through them and mounting a single 
fighter to the pin. Looks good, makes a lot of 
fighter groups for minimal cost. 

Any idea who might make these? 

Tomb Raider.