Portable, push spring adjustible moxa heating device with rolling heating head. Easy to use, effective for warming and massaging small areas or points on the hands, feet and body. The burning moxa stick warms the chrome plated brass (stainless steel like) rolling head. Large Warmer is 7.5" long with a dia of 0.65", and uses the Hand Power-7 and Hand Power-8 moxa sticks.