The Healthy Body HJ-B059 commercial roller coaster

About Product:Ergonomic scientific design, perfect abdominal effect, abdomen, abdomen, beauty\n1.18 level adjustment, three-dimensional abdominal training, 360 degrees without dead Angle to exercise every inch of your abdominal muscle; Brand: Hui Jun\n2. Independent training with abdomen;\nAdjustable handle can meet all kinds of length, stretch freely, the color of thickened panel can be customized, 2.5mm 201 stainless steel can slide any way you want, smooth without deformation, lengthen the track, slide freely, 18 blocks of adjustment, three-dimensional abdominal muscle exercise,