12V 12000RPM High Torque DC Motor for Electric Toys DIY Project Rated voltage: DC 6V - 12V; Model : RS-540SH; Output Speed : 6000-12000RPM Shaft Diameter: 3mm/ 0.12"; Shaft Length: 8mm/ 0.3" Motor Size: 36 x 51mm/ 1.4" x 2.1"(D*H) Magnetic Motor for Smart Cars DIY Toys Package Included: 1 x Torque Magnetic Electric Motor