From Dungeons of Dredmor Wiki
"Maces: Useful for knocking out creeps. You can even keep them in your handbag if you want to."
Maces starts the player with a Gnarled Club (See: Starting Equipment).
The increased stats apply twice if two maces are wielded.
 Granted Abilities
||20 % chance on hit to damage for additional 4 and knocks monsters back 2 tiles.
||8 % chance on hit to proc Crushed Bones on a monster. Crushed Bones is a debuff that lasts 68 turns, does not stack, and applies the following conditions: -2 -4 -2 -5 -3.
||Damages for 4 + ( ) in an area 2 tiles long and 3 tiles wide in front of the character and knocks monsters and objects back 1 tile.
||4 % chance on hit to proc Crippling Wound on a monster. Crippling Wound is a de-buff that lasts 8 turns, can stack up to 2 times and applies the following conditions: -2, -1, -4, -3.
||8 % chance on hit to proc Bleeding Out on a monster, as well as dealing an additional 8 on hit. Bleeding Out is a debuff that deals 3 per turn, lasts 8 turns, can stack up to 3 times and applies the following conditions: -1, -3.
||15 % chance on hit to cause additional ( 4 + .5 ) and a 50 % chance to paralyze the monster for 2 turns.