This Accessory Bag includes everything needed to install a Futaba S3003 and S3004 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 across One X shaped servo arm 39mm accross 5-12-98 JBR ir/jl updt jxs 3/26/09