This is a set of replacement accessories for the Futaba S3003 servos. This accessory bag includes everything needed to install a Futaba S3003 servo.INCLUDES: Four rubber grommets to isolate vibration Four brass eyelets Four phillips head self tapping mounting screws One large servo wheel 35mm in diameter One star shaped (6 arms) servo arm 32mm accross One X shaped servo arm 39mm accross