Not required., Channel nut no spring., Threaded rod - 3 m., Square plate washer, 40 x 40 x 5 mm., Flat plate., Flat L bracket - three hole., Flat tee bracket - four hole., Flat cross bracket - five hole., Right angle bracket - two hole., Right angle bracket - three hole., Right angle bracket - four hole., Left hand corner tee bracket - four hole., Right hand corner tee bracket - four hole., Tee left angle bracket - three hole., Bent tee plate - three hole., Flat gusset L bracket - four hole., Right angle gusset bracket - four hole., 45 degree obtuse angle bracket - two hole., 15 degree obtuse angle bracket - two hole., 22 degree obtuse angle bracket - two hole., 45 degree acute angle bracket - two hole., Z bracket - two hole., Z bracket - three hole., Top hat bracket - three hole., Top hat bracket - five hole., Top hat bracket - seven hole., Single base plate bracket., Corner case plate bracket., Back to back base plate bracket., Gusset base plate bracket., Back to back gusset base plate bracket., Toe beam clamp., Large C beam clamp., Small C beam clamp., Z beam clamp., Window bracket., U beam clamp., Internal coupler., External coupler., End cap black., End cap white., Hexagonal nut., Hexagonal set screw., Penny washer.