M3 M4 M5 M6 M8 M10 T Block Square nuts T-Track Sliding Hammer Nut for Fastener Aluminum Profile 2020 3030 4040 4545

High-concerned chemical : None Type : Metal Lock Nuts Model Number : T slide 20/30/40/45 is_d : Yes DIY Supplies : Metalworking Material : Carbon Steel Origin : Mainland China Certification : NONE Brand Name : YUBABA