кистевой эспандер sport.

[ВладимирК]

эспандер кистевой

[tumanov]

http://www.gungfu.com/cart-htm/exercise_gear_personal_equipment_hand_wrist_exercise.htm

hand grip

[ВладимирК]

Thanks a lot. But is it called the same if it looks like a wheel?

[tumanov]

have a look at the link.
lot of fotos

[ВладимирК]

Alas, there's nothing looking like I mean there. What about a wheel-like grip?

[tumanov]

честно говорю, не знаю. Надо поискать по фото в гугле.

[L-sa]

если в виде кольца, то ring + обобщенное hand exerciser

[ВладимирК]

thanks to all!