jiw square door hinges black matte 3.5 inch x 3.5" matte black door hinges 3-1/2" interior door hinge square corners standard flat/bedroom bifold residential hinges for doors hinge hardware 12 pack matte black 12 is up for auction in Tools & Home Improvement. The current bid is $2.50, 89% below the $22.99 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.