Portable RS550 21V 19500 RPM DC Motor with Two-speed 12 Teeth and High Torque Gear Box for Electric Drill / Screwdriver
https://www.vogueparade.com/shopping/EN/A26/1/4000073004052/portable-rs550-21v-19500-rpm-dc-motor-with-two-speed-12-teeth-and-high-torque-gear-box-for-electric-drill-screwdriver//