Monopoly rollers (4)
I believe the answer is:
dice
'monopoly rollers' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for dice that I've seen before include "Gamble; cut into cubes" , "Gambling items" , "Make into chips" , "Chop up (food)" , "Cubes used in gambling" .)