These are very strong plastic holders. I really appreciate the fact that they have room for two bolts which keep them very secure on the wall and also prevent the handles from rotating which is a common climbing problem. Only about $1.80 per toe, they are very affordable. the grips are a bit slippery being all plastic, but for a grip at this price point it's as good as you'd expect. They appear to be suitable for both indoor and outdoor use. Overall happy with "Trymaker Climbing Holds, Kids Climbing Wall, Indoor & Outdoor Climbing Set for Adults." This is an inexpensive way to build a rock wall for your kids, or as an addition to an existing wall to provide more route options.
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