This pack includes two propeller blades with adapters (1 CW and 1 CCW), similar to the photo displayed (color might be different)
The propeller 1245/1245R is a set of counter rotating RC aircraft propellers perfect for use in twin and multiple motor RC airplanes or coaxial RC helicopters. You receive 2 propellers: one prop rotates clockwise cw and the other prop rotates counter clockwise ccw (1 left hand & 1 right hand rotation). These matched rotor blades are a hard to find matched counter rotating pair. The length is 12 inches and the pitch is 4.5 inches per revolution.