Mixing Impeller Collapsible Blade For Use With BDC1850 BDC3030 BDC6015 BDC2002 BDC2010 Shaft Dia 5/16 In. Shaft Length 16 In. Material Stainless Steel Blade Dia 3.5 In. Includes Blade Pinned to Shaft Electropolished Manufacturers Warranty Length 2 Years