[MATERIAL]: Made of 304 stainless steel, rust-resistant, and durable to use.
[FEATURE]: With a nylon insert, these lock nuts greatly reduce loosening under vibrations and torque and the flange design allows the nut to span larger holes than a standard nylon insert stop nut.
[GREAT REPLACEMENT] - Great replacement for industrial and construction fasteners, also can be an important accessory in your daily life.