ITEM NAME:1Pcs Mini motor RF-500TB-14415 RF-500TB 14415 3v-12v DC motor ME Model: RF-500TB-14415 Rated power: 0.43 (W) Rated voltage: 3.0-12 (V) Rated current: 0.028-0.68 (A) Rated speed: 3000 (RPM) Rated torque: 7.15 (NM) Shape size: 31.8* (mm) Axis length: 8mm Axis diameter: 2mm Included: 1pcs.Rated speed: 3000 (RPM). Axis length: 8mm.