Search query: adjustable kettlebell

Product: Bowflex SelectTech 840 Kettlebell With the turn of a dial, automatically change your resistance from 8 pounds all the way up to 40 pounds
Rapidly switch from 1 exercise to the next, and perform a wide variety of full-body exercises
Space-efficient design replaces up to 6 kettlebells
Adjust in small increments with weight selection dial to gradually increase your strength
Weight settings include 8, 12, 20, 25, 35 and 40 pounds Bowflex Black