Locking Hinge 【MATERIALS】Folding brackets feature a sturdy thick-steel structure with rustproof surface treatment, ensuring corrosion-resistant self locking hinges. 【LOCKING HINGE SIZE】Folding table legs 63x68x54mm/2.48"x2.68"x2.13", thcikness: 2.5mm(0.098"). 【HIGH QUALITY & HEAVY DUTY】The folding table leg brackets can hold up to 500 pounds and locks in the 90 degree position, and the self locking hinges easily meet your needs. 【SELF LOCK】 Unique self-locking design,folding table legs hinges with a built-in double spring structure can be easily folded or opened by simply tightening the screws. 【APPLICATION】Locking hinge is ideal for extendable folding table legs,DIY desks,bed legs,cabinets,folding workbenches,and folding doors.Can help maintain a tidy home and workspace.