The Mat Zapper is recommended as an accessory brush. It should not be used to brush the entire coat. This tool is used for removing isolated stubborn mats only. The brush head is very firm and it features 42-percent more bristles than the other Les Poochs brushes. Using this tool in combination with your Les Poochs Green or Purple brush will help to extend the life of your Les Poochs brushes. The width of the brush head is: 1-3/4 inches.