This is a set of 8 KAP-PAK Large 3-3/8" Bellcrank for a classic model airplane designed for radio control and control line enthusiasts. This product, made in the United States, is a hardware accessory specifically intended for large bell crank applications in classic model airplanes. With its durable construction and precise design, this bellcrank is a reliable and essential component for maintaining the functionality and performance of your model aircraft.