500 lb Capacity Folding Brackets. Ideal for extendable folding table legs, DIY desks, bed legs, cabinets, folding workbenches, and folding doors. Why Choose Our Locking Hinges?. Locking hinge size: 63x68x54mm (2.48"x2.68"x2.13") with a thickness of 2.5mm (0.098").