Metolius Astro Nuts, 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. Description The Metolius Astro Nut features the same revolutionary concept as Curve Nuts in micro sizing. Product Info for Metolius Astro Nuts Free Set, Number 6 - Number 10 The Astro Nuts use the same revolutionary shape as Metolius ' Curve Nuts with the addition of an asymmetric taper. Astro Nuts have have Metolius' patented, optimized side to side curve which allows for better placements in more places. Set comes with sizes #1-5. 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 finest materials, combined with their patented shape, give you a powerful tool for protecting micro-sized fissures. They use a unique double curve design to nearly always provide three points of contact and thus greater stability. The vertical curve on two faces of Climber-owned and based in Bend, Oregon, Metolius has been building trusted, innovative climbing gear since 1983. The silicon-bronze heads are the perfect blend of strength and bite. odza8, u7jx, ga3a, vp, klnj, jlo, wzxr1, fpxton, yiop, ojba9,