Package Include: 6pcs 4040 45 Degree Corner Angle Bracket Corner, 6pcs 4040 135 Degree Corner Angle Bracket Corner, T Nuts and Screws x24pcs, Wrench x1pc SeekLiny is specialized in aluminum extrusion, aluminum extrusion hardwares. Find 2020/2040/4040/4080 aluminum extrusion and accessories from us! This 4040 45/135 degree corner angle bracket silver is suitable for 4040 aluminum extrusion v-slot and t-slot. And some 4080 aluminum extrusion also can use it(check the size in advance). 4040 45/135 degree corner bracket angel silver is widely used for 3D printer frame parts, shelf brackets, cnc machines and self project spare parts. About this 4040 hardware, please refer to the size picture of the 4040 corner angle bracket. Seekliny 12pcs 4040 45/135 Degree Corner Bracket Connector 4040 Extrusion Hardware T-Slot V-Slot Accessories with Screws and Nuts for 4040 Extrusion Angle 3D Printer Framing Accessories Silver