Kettlebell size:
Men—12kg to 20kg
Women—8kg to 12kg

Method:
Snatch the kettlebell, lower it from the lockout to the rack position, take one step forward, drop the kettlebell from the rack, and then snatch again. Repeat. Switch hands every 5-10 repetitions.

https://www.onnit.com/academy/kettlebell-snatch/

KETTLEBELL SNATCH Crash Course
https://www.youtube.com/watch?v=NPEpKOxsAVE