SleeperFit Ultra-Strong Multi-Purpose Small Corner Brackets These Multi-Purpose Brackets are Ultra-Strong, being made from 5mm Heavy-Duty British Steel. They are suitable for a variety of purposes including construction purposes, repair jobs or joining work. These brackets are corner brackets, suitable for joining wood at angles, reinforcing corners, or even using as sturdy shelf brackets. There are multiple sizes to accommodate different jobs. Our IDA1814 bracket is 105mm and 35mm either side of the bend, with a width of 40mm. Our IDA1563 bracket is 70mm either side of the bend, also with a width of 40mm. Each bracket is made from 5mm steel, ensuring it is extremely thick and super-strong for all heavy-duty work when durability and strength are vital.