The Cyberfit multi function leg extension leg curl machine is constructed from 3mm wall thickness 100 x 50mm oval tubing. 80kg weight stack which can be upgraded to 100kg, ultra smooth hard chrome slides and bushed stack plates. All pulleys have steel bearings for durability and smooth operation. Coated 6mm cable. Assembled dimensions: LxWxH = 1150*1700*1605mm.