Keep dust off the work surface of your CNC project with the SHARK HD Dust Boot. The simple installation connects to your dust collector or shop vac to suction the dust off the work piece, while flexible bristles conform to the surface to keep dust within the suction area. Powerful magnets in the base allow you remove the dust boot for bit access. Designed for use with Next Wave SHARK HD CNC machines manufactured after 2008. Fits SHARK HD510, HD520 CNC machines (sold separately). Bolts directly to router or spindle mount with included bolts. Size: 5.7" x 8.83" x 4". Dust Opening: 2.25" ID