Highly recommend this one. Only one I know of this cheap with adjustable speed knob on the trigger. It's not cordless but couple this with a $14 foot peddle from Harbor Freight and you'll have 2 hands to work with and really speed up your nk turning. Actually got this tip from this site a few years back. I have to say one of the cheapest/best tips I've gotten here that really makes a big convenient difference
https://www.amazon.com/gp/product/B0000EI97B/?tag=accuratescom-20
https://www.harborfreight.com/momentary-power-foot-switch-96619.html

https://www.amazon.com/gp/product/B0000EI97B/?tag=accuratescom-20
https://www.harborfreight.com/momentary-power-foot-switch-96619.html