The ARA 2151 wheel hex pin set includes ten pins, each measuring 2 by 10 millimeters. These pins are designed to securely hold wheels onto compatible RC vehicle hex hubs, ensuring a tight and reliable fit during high speed runs and rough terrain. Made from durable metal, the pins provide long-lasting performance and resistance to bending or wear. This set is ideal for ARRMA models and other vehicles that use 2 by 10 millimeter wheel hex pins.