3/8 Inch Spiral Tilt-In Window Balance Rod with White Bearing and Double Pins.The colored bearing denotes rod strength. (See 4th Image)Balance has double end pins, one locks into the balance shoe and one is for adjustment.Rod Length: Varies - Choose Your LengthRod Weight: Varies Per LengthRod Diameter: 3/8 InchApplication: Tilt-In WindowColor: WhitePlease measure rod length from end to end of the metal tube and specify the needed length.Video: How to Install Spiral Balance