The Metolius Ultralight Asymmetric Curve Nut Set 1-10 includes ten nuts with asymmetric shapes and curved heads, allowing for secure placements in irregular cracks and flares, while their ultralight construction reduces overall weight on the climber's rack. Each nut in the set is color-coded for easy size identification, and the durable swage cable system ensures long-lasting performance, making the Metolius Ultralight Asymmetric Curve Nut Set 1-10 an essential choice for climbers seeking reliable and lightweight protection on their climbing adventures.