Features: High strength stainless steel T slot corner connectors ensures sturdy designs while M6 screws deliver secure 90 degree right angles joints for 40 series aluminum profile with 8mm slots. Engineered designs features double insertion ends that slot seamlessly into profile grooves, enhances by adjustable screw tension for structural reinforcement in mechanical assemblies. Ideal for industrial engineers and enthusiasts creating shelving, robotic frame, or workshop furniture requiring right angles connection between aluminum extrusions. For reinforcing corner joints in automateds production line equipment, 3D printer frame, or storage racks where profile alignment stability is criticasl. The stainless steel construction withstands repeated adjustments in prototyping applications while maintaining accuracy across temperature. Specifications: Materials: Stainless Steel Size: 3.7x3.1x1.45cm/1.46x1.22x0.57inch Package Includes: 10pcs T Slot Nut note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.