Package Content: Set of 110 piece imperial 304 (18-8) stainless nylon insert lock nuts | Nylon Insert Locknut: 1/4"-20 is standard inch threaded nylon locknuts have reliable anti-loosening performance, so that it and the bolt threads to form a close fit, and in the role of the elasticity of the nylon friction resistance, in order to achieve the purpose of anti-loosening. Assembly torque is more stable, anti-loosening is very reliable, can be used in shock vibration occasions | 304 Stainless Steel Lock Nut: Nylon insert Lock nut is made of high-quality 304(18-8)stainless steel, rust-proof, corrosion resistance, sturdy, will not twist or deform, and has a long service life.With the spiral pattern is clear,the polishing process, the surface is smooth, no worry about scratching your hands | Convenient storage: Sae locknuts are individually stowed by type in an easy to carry clear case.Easy to store and use,so that the lock nuts will not be lost or mixed up during use | Wide Application: Common uses for inch hardware nuts include securing instrument and equipment components, linking pipes and structural elements.Suitable for use or maintenance in a wide range of applications such as furniture decoration, automotive repair, the mechanical industry and small repairsaround shops, construction, etc