These are the 3mm Gyro Mounting Pads for use with the Futaba GY520 Gyro (FUTM0810).

FEATURES: Foam construction Self-adhesive Grey in color

INCLUDES: Ten Mounting Pads

REQUIRES: Installation on gyro

SPECS: Length: 22mm (0.87") Width: 22mm (0.87") Height: 3mm (0.12")  

BOX DIMENSIONS: 3.63" W. X .13" H. X 6.25" L. BOX WEIGHT: .02 LBS.