Dark Steel Grinding Ball

The Dark Steel Grinding Ball is an item added by Ender IO. Its sole purpose is being a Grinding Ball for use in the SAG Mill.

Its stats are:
 * Main Output 135% (= 35% chance to double all outputs, including bonus outputs)
 * Bonus Output 200% (doubles bonus output chances)
 * Power Use 70% (= 30% faster processing speed)

More information

 * SAG Mill
 * SAG Mill article on the Ender IO GitHub wiki