Specifications: Main Frame: square tube Cushion: Made of PU Shroud: Made of High quality Metal Guide Rail: Made of alloy steel Pulley: made of High-strength Nylon Handlebar: Red High-strength aluminum alloy Weight Plate: High Strength Iron Guide Rod: Stainless steel hollow pipe Max User Weight: 200kgsWeight Stack: 100kgs STANDARDS TEST: EN ISO 20957 IISETC.00202019051