The Heavy Weapon Unit 29 Act Knuckle B Type is an add-on for your Hexa Gear Bulk Arm series kits, and also for your Frame Arms kits! This powerful mechanical hand features full movement in all five fingers; the Type B comes with a normal back and a combat back that adds protection to the fist. Two types of fingertips are also included: a rugged square shape and a pointed claw. It's molded in gunmetal gray and desert yellow. Note: Model Kit NOT Included. This kit only contains Add-On Parts for existing models.