This is a Team Raffee Co. m4 aluminum lock nut (10) black Click on the link to view more information.
Product safety information
Manufacturer information:
Team Raffee Co.
Changjin Street 26, B Block, RM 202
Shenzhen, China, 518116
sales@teamraffeeco.com
Responsible person:
Crawlermanufaktur
Karl-Schurz-Weg 18
Solingen, Deutschland, 42657
info@crawlermanufaktur.de
https://www.crawlermanufaktur.de