3M 2" Radial Bristle Disc 6 Ply Brush - 220 Grit Red Prop 65 - Silica When used for 14k gold

When used for 14k gold

extractor (suction) motor power

dual blowers) Blower Type Dual squirrel cage Motor Included No Mounting Base Included No Origin Made in the USA Notes

and GraverSmith

3M 2" Radial Bristle Disc 6 Ply Brush - 220 Grit Red Prop 65 - Silica When used for 14k goldThis assembled 2" radial bristle disc brush combines six individual 3M radial bristle discs mounted together on a single tapered spindle mount adaptor, delivering concentrated finishing and polishing action in one ready to use unit. The 6 ply construction increases surface contact and abrading efficiency compared to single disc setups, making it well suited for professional jewelers and metalsmiths working on detailed polishing and finishing tasks. At