Crafted for durability and precision, this 80mm x 80mm internal corner gusset is an ideal fitting for your 4040 series aluminium extrusion projects. The gusset, made of robust aluminium, ensures a strong, secure hold with an 80mm rail height that complements your structural integrity. Unbranded and versatile, it's designed to fit seamlessly into a range of DIY materials, nails, screws, and fasteners. Whether you're reinforcing corner joints or undertaking a more substantial build, this bracket offers dependable support for your home, furniture, and DIY endeavours.