Size: Approx. 45mmThe concept of the Action Knuckle is hand parts that can do “intense action”!This is a knuckle-type Heavy Weapon Unit where each of the fingers are flexible.Type-B was designed with close combat in mind and includes two types: “Standard Hands” and “Close Combat Hands”.The knuckle guard on the Close Combat Hands can be adjusted.The parts use 3mm connection joints to mainly attach to the Hexa Gear Bulkarm series, but are also compatible with other models in the Frame Arms series.[Accessory]-Main hand parts x2-Standard gauntlet x2-Hand-to-hand combat gauntlet x2-Fingers “squared type” x10-Fingers “claw type” x10-Option joint part x2