Material: All the nuts are made of brass, which has high hardness, no deformation, durable and for long time use;
Wide range of applications, mainly reduce pressure and friction, prevent loosening or dispersing pressure。
Widely Usage: This external & internal tooth star lock washers assortment kit suitable for electrical connections on household and commercial appliances automotive and marine uses in which the power source has a threadedbolt-type connection;
There might be little error of size for manual measurement.
The colors deviation might differ due to different monitor , please kindly understand.