Nonlethal Damage With A Weapon That Deals Lethal Damage
You can use a weapon that deals lethal damage to deal nonlethal damage instead, but you take a –4 penalty to your attack roll.
Source
Core Rulebook pg. 252
You can use a weapon that deals lethal damage to deal nonlethal damage instead, but you take a –4 penalty to your attack roll.
Source
Core Rulebook pg. 252