From Pathfinder Lost Omens The Grand Bazaar, which isn't enabled.

Portable Ram

ITEM 3

Price 20 gp

Usage held in 2 hands

Bulk 3

A portable ram is a handheld, ironshod wooden beam designed to knock open doors, gates, and other similar obstacles. You gain a +1 item bonus to checks to Force Open these obstacles.

Pathfinder Lost Omens The Grand BazaarOGL