The Iron Knuckles is a Fist Weapon in Demon's Souls.

Iron Knuckles
Iron Knuckles
Weapon type Fist
Attack type physical
Icon Physical Attack Power Icon Magic Attack Power Icon Fire Attack Power
65 0 0
Req. Param. Param. Bonus
Strength Dexterity Magic Faith Strength Dexterity Magic Faith
8 0 0 0 D E - -
Icon Bleeding Icon Poison Icon Plague Icon Critical
- - - -
Icon Damage Reduction Icon Guard Break Reduction Icon Durability Icon Item Weight
0 0 300 1.0

In-Game Description

A hand-to-hand weapon held in the fist. It's [sic] reach is the lowest of levels, but it hits fast.
Stonefang's rough blacksmiths love this weapon and sometimes get drunk and slug it out.

Dropped by Scale Miners (fists).