Our Mounted Compressed Fiber Wheel creates a distinctive scratch finish that beautifully contrasts with polished areas. This hard and dense wheel lasts longer than ordinary fiber wheels. Made in Germany, it measures 7/8" dia. x 1/4" thick with a 3/32" mounted shank for precision. WARNING! This product does not contain substances above the safe harbor level established by the list from California Proposition 65. However, during the normal use of the product, dust and particles can be created during the sanding, drilling or grinding process on materials such as wood, paint, cement, masonry or metal. For more information visit www.P65Warnings.ca.gov.