This listing is for ten pieces. Sturdy, dependable fasteners referred to as floating nut retainers. The design of this fastener allows the nut to "float" within the steel cage which is ideal for hole misalignment and blind assembly. These nuts are commonly used in fork trucks, rail cars, ocean containers, automobile and office furniture, appliances and numerous other applications. Thread Size 5/16-18 Length (in) 2" Width (in) .781" Pilot Diameter .523" Material Low Carbon Steel Plain Finish Threads Unified Standard Class 2B ASME B 1.1-2003