20000 RPM DC Motor - TOOGOO(R) DC 9V 20000RPM Rotary Speed Cylinder Shape Magnetic Motor, Silver Gray Product Name : DC Motor Rated Speed : 20000 RPM Rated Voltage : DC 9V Shaft Size : 2mm/0.078" Size(Not include Shaft) : 4.8 x 2.5cm/1.7" x 1"(L*D)