PoE2
Iron Grip
Support
Projectile
Cost Multiplier: 110%
需求 Level 1
Supports Projectile Attacks, causing Strength to increase their Projectile damage.
Place into a Skill's Support Gem socket in the Skills menu to apply its effects to that Skill. You cannot have multiple copies of the same Support Gem socketed at the same time.
PoE1
Iron Grip Support
Projectile
Physical, Support
Level: (1–20)
Cost & Reservation Multiplier: 110%
需求 Level (18–70), (33–111) Str
Supports attack skills that fire projectiles, making the increase to physical melee damage from strength also increase their physical projectile damage.
Strength's Damage bonus applies to Projectile Attack Damage as well for Supported Skills
Supported Skills deal (0–38)% increased Projectile Damage

來自品質的額外效果:
Supported Skills deal (0–10)% increased Projectile Damage
This is a Support Gem. It does not grant a bonus to your character, but to skills in sockets connected to it. Place into an item socket connected to a socket containing the Skill Gem you wish to augment. Right click to remove from a socket.