This is the Propeller Set in Blue for the Verso Quadcopter from Dromida. FEATURES: Flexible plastic construction Each propeller labeled "A" or "B" to ensure correct installation INCLUDES: One each "A" and "B" Blue Propeller "A" and "B" Black Propeller REQUIRES: Propeller Removal Tool, DIDE1545 Using diagram in manual for correct prop installation, colored blades always go in front