Brought to you by Switchcraft, High-quality bantam jack sockets designed for professional audio applications. Contact integrity and structural rigidity, essential requirements of any system, are acquired through the precision diecast chassis design which eliminates flex and hence the chance of intermittent contact performance. Point contact solid palladium contacts welded too high grade nickel silver spring leaves are used for maximum contact pressure. Eliminating the risk of poor earth contact through tarnished brass contact areas. All models are highly reliable and excellent quality.