This nut made of carbon steel with reasonable design and practical function. It has two wing-like handles on the front end, providing you with a simpler installation method. You only need to tighten it manually. The workmanship is excellent, the texture is excellent, and it can play a very good fastening effect. This is a very good nut kit, it will be your good choice. Features -Color: Silver. -Material: Carbon Steel. -Size: About 2.50X2.50X1.00cm/0.98X0.98X0.39inch. -Specification: 1/4-20. -The design is reasonable, designed to help you better control your strength and facilitate you to tighten the nut better. -It is made of carbon steel with a stronger texture and will not be easily scratched or . -The operation is safe and convenient, and it can be easily tightened and loosened with fingers. - workmanship, smooth and safe, comfortable and durable, long-term service for you. -Simple and practical, it is an excellent home decoration and mechanical fastening accessories, which will serve you very well. Package list: