Description: 50pcs M5 T Sliding Nut Block for 3030 Aluminum Profile Zinc Coated Plate Aluminum Accessories       Specification:   Material: Carbon steel    Surface Treated: Zin plated   Type: T Sliding nut   Series: 30 Series   Quantity: 50pcs           Used for:  Insert into aluminium profile and connected together with T screw or others.           More Details: