This stylish V-Foam surround requires no installation tools, just snap it together around your dartboard and you are ready to play! This tough and durable defender will stand up to the most wicked throws, should an errant throw slip by. The deep black color adorning this board will match the black in any Viper dartboard and will blend seamlessly with any decor. The extended profile of the Defender III covers an amazing 8.2 square feet! This surrounding defender will fit perfectly with any regulation sized sisal dartboard!