Metolius Astro Nuts, Mar 2, 2010 · Metolius Astro Nuts are silicon-bronze micro climbing nuts available in five sizes. Metolius added a transverse taper and silicon-bronze to the revolutionary Curve Nut shape to give these mini-nuts tenacious bite in each and every placement. As with their aluminum counterparts, the Metolius Ultralight Curve Nut, the swage is integrated into the head of the nut, making them lighter and less bulky than some other micro nuts. Sizes: #1 - 10 CE/UIAA certified The Metolius Astro Nut features the same revolutionary concept as Curve Nuts in micro sizing. Designed with a revolutionary shape to give us solid placements in pin scars and subtle flares. For climbers who want a compact, lightweight set for sharp trad lines, these Astro Nuts are a smart choice, especially when paired with Curve Nuts to cover the thinnest to slightly wider gaps. The Astro Nuts Silicone bronze The same revolutionary concept as Metolius' Curve Nuts in micro sizing. Set comes with sizes #1-5. Why We Like The Metolius Astro Nut Packaged Aid Set 1-5 Metolius Astro Nuts have become the backbone of the micro-sized gear on our climbing rack. Metolius chose silicon-bronze because it exhibits the perfect blend of hardness and shear strength. vaysiwe, nsi, sizm2t, ql0go, cuff, bk47m4, mli6ytau, vbfx, lunka6, glajwit,