Ngwunye dumbbell nwere akwa atọ, nke nwere ike ijide ọtụtụ dumbbells, ruo 15 ụzọ abụọ. Trays nke agba dị iche iche na-eme ka ngwá ọrụ ahụ dịkwuo nro ma na-adọrọ adọrọ. Nkuku dị n'okpuru na-ejikwa usoro triangular, nke na-enye nkwado ike dị elu maka akwa ahụ ma kwụsie ike, nhazi tube elliptical, na-enye mmetụta dị nro ma na-abawanye nkasi obi ọzụzụ.