FEATURES: Tournament quality regulation 17.75" dartboard Compatible with both steel-tip and soft-tip darts Compressed sisal fiber board with self-healing properties Rotatable / detachable number ring for further extended longevity Staple free & finished with ultra-thin galvanized steel spider wire Vault cabinet made from wood with a smooth walnut finish Brass-finished patina bronze hinges on doors Built-in dry erase scoreboards built into doors Magnetically lock doors to keep board protected Storage slots below board area to keep darts & accessories Laser Throw Line shines a concentrated beam of light to mark throw line