This is the Micro Heli E-Flite Blade CP Pro Aluminum Blade Grip Set with Double Ball-Bearing Mixing Arms.

The Precision Main Blade Grips and Mixing Arms are designed to work on the new Blade CP Pro helicopters.  The product is 100% aluminum CNC machined to provide best precision and durability.  With total of 10 miniature ball bearings, this combination works flawlessly on the blade CP Pro head, and brings much better smoothness in the head response.  Moreover, the light and stylish high quality aircraft aluminum blade grips can help reduce the flex in the Blade CP head and improve cyclic response on the E-Flite Blade CP Pro helicopters.

Includes:
Two (2) high quality aluminum CNC blade grips
Two (2) high quality aluminum CNC mixing arms
Double flange bearings on each mixing arm installed
Tripple bearings on each blade grip installed
Six (6) CNCed brass balls.
All hardwares included.

Weight: 21.3 grams

Features:

• 100% Precision CNC machined Aluminum and Delrin
• Double flange bearings on each mixing arms to reduce flex and improve smoothness
• Precision CNC brass balls with surface treatment for long lasting performance.
• High quality bearings included and installed in each blade grip.
• Replaces stock hardware with new high quality bolts and miniature nylon lock nuts for highest blade security.
• Strong aircraft aluminum material for best precision and durability.
• Very light weight and stylish design.