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") FutabaPart FUTFSH70