Dungeons and Dragons 5th Edition Monster Manual pg 317
Fist: Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit: 6 (1D6+3) Bludgeoning Damage. Rock: Ranged Weapon Attack: +5 to hit, range 25/50 ft., one target. Hit: 6 (1D6+3) Bludgeoning Damage.