Light mace

Simple one-handed melee weapon
Cost: 3 gp
Damage: 1d6
Proficient: +2
Weight: 2 lb.

The smaller races often prefer this version of the mace because of its lighter weight. It can deliver a solid, if not crushing, blow to an enemy.

Off-Hand (An off-hand weapon is light enough that you can hold it and attack effectively with it while holding a weapon in your main hand. You can’t attack with both weapons in the same turn, unless you have a power that lets you do so, but you can attack with either weapon.).
Small (This property describes a two-handed or a versatile weapon that a Small character can use in the same way a Medium character can. A halfling can use a shortbow, for example, even though halflings can’t normally use two-handed weapons.).

Mace (Much like hammers, maces are blunt weapons that have a heavier head than handle, but they’re more balanced than hammers. They’re useful for delivering crushing blows.).

Published in Mordenkainen's Magnificent Emporium, page(s) 21.