Check the listing for details. 10 KIDS Bolt on Rock Climbing Holds Without Hardware. Condition: New. Listed at 39.99 USD. 10 Large bolt on climbing holdsHardware NOT included Rocky Mountain Climbing Holds are made from 70% recycled materials. We keep plastics out of land fills! What are they made of? Recycled materials including polyurethane, Vinyl Ester, Polyester, Plastics, Epoxy, Vegetable oil and other organic materials. Rocky Mountain Climbing Holds are 100% American made. At Rocky Mountain Climbing Gear, we take pride in our climbing holds ensuring that they will stand up to any climate, hot or cold. Rocky Mountain Climbing Holds have over 200 different shapes and are around the size of a baseball. Use indoor or outdoor, Rocky Mountain Climbing Holds are perfect for any project! If you need anything at all please do not hesitate to contact us. We are VERY receptive to customers. Email us on Ebay. We do offer expedite shipping USPS Only. Rocky Mountain Climbing holds come with a lifetime guarantee. Rocky Mountain Gear is a trademarked company. If you wish to resell our products please contact us first, please do not re use our images or text.Holds require 2 inch 3/8th diameter cap head screw bolt, 16 thread pitch with a 3/8th t nut 16 thread pitchorM10-50 Bolt and T-nutThis hardware IS NOT INCLUDED Please note these are the BOLT ON variety. They are meant to be used with 3/4 plywood. They are NOT meant for 2x4's or 2x6's, For those projects please refer to our "Screw On" climbing holds. Please Read Description and shipping times. Holds are about the size of a baseball.