This is the Servo Accessory Package for the S3103 Micro Mini Servo from Futaba

FEATURES: Includes mounting accessories and servo wheel

INCLUDES: One 3/4" servo wheel Two mounting screws Two grommets Two eyelets ir/jl  

BOX DIMENSIONS: 2.38" W. X .13" H. X 2.38" L. BOX WEIGHT: .01 LBS.