Eyech 10mm & 6mm Drill Arbor Mandrel Adaptor Shank Electric Drill Angle Grinder Conversion Connecting Rod Converter Kit for Grinding Polishing Cutting Sanding Feature: 2 Different size connecting rods for electric drill grinder , 6mm and 10mm rod diameter, fit for most drill chucks. Change shaft can be mounted in an electric drill grinding, cutting tiles, wood, metal polishing and finishing etc. Easy to use, choose the conversion shaft you needed, insert it into the chuck, and then put the black pressure plate, polishing plate(not included), and silver pressure plate in order, using the wrench to tighten them firmly. Please Note: ? Please take protective measures before use before installing. ?Please make sure that the pressure plate is not loose to prevent cutting pieces from flying out. Specifications: Material: Metal Conversion Shaft Type: 6mm Round Shaft & 10mm Triangular Shaft Mounted Thread: M10 Pressure Plates Inner Diameter: 10mm Package Includes: 3 x Angle Grinder Flange Inner Nuts 3 x Angle Grinder Flange Outer Nuts 1 x 6mm Conversion Shaft 1 x 10mm Conversion Shaft 2 x Angle Grinder Spanner