Sphere Engineers Pvt. Ltd offers Burnishing Media Ball Cones. Sphere Engineers Pvt. Ltd has been awarded ISO 9001:2000 certifications. Burnishing Media Ball Cones is used to de-burr and polish the metal parts in rotary vibrators, vibro mills, centrifugal finishing machine and tumbling / polishing barrels in the metal finishing industry. Burnishing Media Ball Cones are better wear resistant compare to plastic and ceramic medias. These ball cones are available in curved and cone shape with flange in center which gives better burnishing ability on different proportioned shapes. The ball cones are available in 3 X 5mm or 5 X 7mm or any other custom made sizes.