MATERIAL: Made of high-quality carbon steel, black zinc-plated surface,high strength, not easy to rust.
SUITABLE FOR: It is suitable for installing rack server cabinets, server racks, and A/V device chassis. 3 different sizes to meet all your repair or installation needs.
Advantages: Standard metric size, small error, no burrs. Superior quality makes your repair or installation easier.
DURABLE DIVIDED STORAGE CASE: All Screws Nuts are packed in the box with size label and divider, easy to store and won't mix up.

WHAT YOU WILL GET:
M5x16------------- 20Sets
M6x16------------- 20Sets
M6x20------------- 20Sets

NOTE:
Due to the difference between different monitors, the picture may not reflect the actual color of the item.
WARM TIPS:
Products contain small parts, please do not let children play, to prevent inadvertent swallowed.
CUSTOMERS SERVICE:
We will support lifetime garrantee and 100% money back for your problem, in addition, we offer 24H always online service, welcome to come to us if you need help.