Heidolph Overhead Stirrer Impeller BR 12 Pivoting-Blade - 036300350 "• Recommended for applications which require average speed • For mixing tasks with little or average viscosity • Blade size, 60 x 15mm • Material – stainless steel • Length – 400mm • Shaft diameter – 8mm • Max rpm – 2000 • Comes with collapsible blade for narrow neck vessels" Dimensions (L x W x H"): 12 x 14 x 2