The Radius Block is a specialty block used to build curved walls. These pre-molded blocks are 16″ long, allowing the designer the opportunity to build a curved wall section in any length needed. Available current radius’ are 5′, 6′, 7′, 8′, 9′, and 10′ only with a 6″ concrete core width. Ordering these radius blocks are a special order and will require an order lead time of 2-3 weeks.