Pods 20 Gray Rock Climbing Holds Made in the USA of rigid rock like Urethane 20 Gray Rock Climbing Grips Best for bigginners on vertical walls and experienced on overhanging walls Steel Installation hardware for indoor walls included (Bolts + T-nuts+ Wrench) For outdoor walls give Kacie a call and we can upgrade your package to Stainless Steel Hardware for $20 480-334-4646