The Compressed Sisal Fibers dart board features self-healing fibers that ensure durability over time, perfect for steel tip darts. Its circular spider wire reduces bounce-outs, and the staple-free bullseye prevents deflections. With a regulation size of 17.75″ diameter, it matches the boards used by professionals. The rotating number ring allows the board to heal, extending its lifespan. Easy setup includes mounting hardware, two sets of darts, a throw line, and measuring tape. Get ready to play in no time!