MB 7.31 Butterfly Work out standing, experience a completely new training feeling and perfect biomechanics outdoors Specifications Plates: 8 x 10 kg and 6 x 2.5 kg Dimensions: length 1330 mm x width 1810 mm x height 2110 mm Weight: 285 kg Muscles: Chest Frame: Steel, zink primer with powder coating plus extra clear coating finish Rails: Stainless Steel Small Parts: Stainless Steel