The Apollo Hi-Fi Furniture A3/6 (600mm or 24 inch) or A3/7 (700mm or 28 inch (add $10.00 USD)) speaker stands come sold as a pair and have a 20 year warranty. The Apollo A3 speaker stands are supplied flat-packed with 6mm floor spikes plus neoprene speaker pads to ensure a good acoustic contact with speaker. It's why Apollo use heavy gauge steel supports and sheet steel bases to increase rigidity and stability. It's why adjustable isolation spikes come as standard, as do sound-absorbing neoprene pads. The A3's are a durable; three column design of tubular steel provides a solid foundation for your speakers. Very rigid, high quality, medium mass support, that can be sand or shot filled for extra mass.