Size: 63x68x54mm/2 48"x2 68"x2 13", thcikness: 2 5mm(0 098") High quality heavy duty material, each bracket could hold 500 pounds and the lock in the 90 degree position Self Lock: When folding the leg, the bracket will be locked automatically, each bracket comes with 11 screws Application: Suitable for extension table or bed leg, DIY table or bed, folding workbench projec, folding door and anywhere need to use for extension table bed leg feet