🌷 Used high-quality 2 inch Rubber foam. 🌷120-degree tilting A grade China mechanism (BIFMA CERTIFIED). 🌷360-degree free rotation, free up and down. 🌷 18-23 inch Hydraulic lifting system. 🌷 BIFMA & SGS CERTIFIED 120mm Gas-lift 🌷 360-degree swivel system. 🌷 High-quality Castor. 🌷 Nylon Fiber Base. 🌷 A Grade China wheels, 🌷Load Capacity:120 Kg 🌷2 years replacement Warranty. 🌷Modern design suitable for office and home use