1.565 Degree / 1.2cm Wells Brookfield Ametek Cone and Plate Spindle ELECTRO-GAP Setting 316 Stainless Steel. Needs to be Matched to Sample Cup Before Use. Wells/Brookfield Ametek cones and cups are used with standard Brookfield Ametek Cone/Plate series Viscometers and Rheometers. All cones and cups are calibrated at the factory to ensure accurate precise measurements. Cones ordered after initial shipment of Viscometer/Rheometer require the return of the sample cup for calibration to the new cone. Please contact our Sales Team