Each six-sided, square-cornered die is yellow, with the markings picked out in black. The 20 dice in this set each measure 16mm x 16mm. Each die features the Imperial Fists icon on the 6 face, the Space Marine Apothecarion symbol (the Prime Helix) on the 1 face, and a clenched fist with a number of lightning bolts equal to the facing of the die bursting from the a fist on the 2-5 facings. The dice are supplied in a clear plastic crystal gem container.