The Cybex VR1 Dual biceps/triceps machine features a specially designed back pad that provides clever positioning & stabilisation when performing arm extensions. Easy adjustments for simpler strength training Standard stack: 66kg / 145lbs Light stack: 45kg / 100lbs Machine weight with standard stack: 166kg / 365lbs Machine weight with light stack: 145kg / 320lbs Dimensions: L 52 x W 43 x H 89 / 132 x 109 x 226cm