Full Size Wood Bed Rails (330750)Extend the life of your crib with these Full Size Wood Bed Rails by Simmons Kids. Designed to easily convert your crib into a full size bed, the wooden rails replace the sides of the crib, and feature bolt on assembly for attaching a headboard and footboard. These Full Size Bed Rails are not universal and may not fit your crib. Please check your crib assembly instructions to confirm style number compatibility.