2 degree per gear adjustable, specifically design for 19.1mm diameter / 1.2mm thickness steel tubes in furniture assembly Heavy duty 42 position sofa hinge engineered with 210Nm strength ensures durability and stability for long lasting furniture in daily use Good iron Component, it have good wear resistance, ensuring good usage in various environment, suitable for use in homes and commercial place Ideal for homeowners, furniture manufacturers, and commercial space motion control solution for bean bag chairs, recliners, and multifunctional seating units Perfectly integrates with convertible sofa bed, chairs, and ergonomic seating systems in living room, offices, or hospitality requiring comfort, Manufacturer: FHGSPQWM