New Product Announcements From: 6/28/2007 Modern Machine Shop Norton Abrasives has expanded its Gemini wheel line to include segments, cylindrical wheels, centerless wheels and surface wheels. The wheels are useful for small- to medium-size manufacturers that need one abrasive product for multiple light production and maintenance jobs, the company says. Designed for forming and finishing applications, The wheels are constructed of aluminum oxide and silicon carbide abrasives.