Ki Knuckles (3.5e Equipment)
From D&D Wiki
Ki Knuckles: This is a pair of metal plated gloves for hand-to-hand combat for monks to defend themselves, you are still considered unarmed when wearing these gloves.
benefit: These +2 gloves increase your damage die from a d4 to a d6 for bludgeoning.
CL ; ; Activation: Continuous; Weight: 10 lb.; Market Price: 100gp