This is the PJT Series 23x8 Carbon Fiber Propeller from Xoar International.

FEATURES: Constructed of Laminated Epoxy resin over a carbon fiber
            skeleton and finished with Standard 3K Carbon Fiber Fabric.
          One of the lightest performance props on the market
          Balanced during every stage of production
          Visually examined to ensure trailing edge symmetry
          High Strength-to-Weight Ratio

REQUIRES: Balancing before use, see COMMENTS

INCLUDES: Xoar International 23x8 Propeller

SPECS:    Diameter: 23"
          Pitch: 8"
          Hole Diameter: 0.398" (10mm)
          Weight: 5.5oz (155g)

COMMENTS: Final balance check is suggested before flight due to external
            factors such as temperature. Handling during transit may vary the
            balance of the propeller.

                                                                     GX 2/23/11