PFSRD:Giant Fist Gauntlets
From D&D Wiki
|This material is published under the OGL|
Price 20,000 gp; Aura moderate transmutation; CL 8th; Weight 5 lbs.
As a swift action, the wearer of these rough leather gauntlets can expand her hands to twice normal size and harden to the consistency of hardwood. This transformation lasts for up to 20 rounds per day, though they need not be consecutive rounds. If the wearer hits with an unarmed strike or natural attack using her enlarged hands, she may attempt to bull rush her opponent as a free action.
Cost 10,000 gp