uxcell 2 Pcs N20 DC 6V 16800RPM Micro Mini Motor for RC Model Helicopter Product Name : DC Motor;Model : N20;Rated Voltage : DC 6V Rated Speed : 16800RPM;Shaft Size : 5.5 x 1mm/ 0.22" x 0.04"(L*D) Body Size : 16 x 12 x 10mm/ 0.63" x 0.47" x 0.4"(L*W*T);Total Length : 23mm/ 0.91" Main Material : Metal;Color : Silver Tone Weight : 11g;Package : 2 x DC Motor