Put simply, YK-23 range seating maximizes capacity, delivers superior comfort and ensures long-term durability YK-23 range has been designed in consultation with leading ergonomics and is arguably the most comfortable seat available today.The patented beam mount system that YK-23 Range uses is a revolution. Seats are evenly spaced in every row, and can be easily added to, removed or re-spaced as events require.YK-23 range’s low maintenance requirements  have helped make this seating system extremely popular with venue operators around the world