Stainless Steel Ball Bearing ButtDoor Hinge Item Number: SS403030-2BB Material: Stainless Steel SUS304 / 316 Hinge type: Two Ball Bearings Hinge with loose pin or fixed pin Corner shape: Square Corner Head shape: Flat or Oval Head, etc. Dimensions: 3 x 3 x 2.0mm, 3.5 x 3.5 x 2.0mm 4 x 4 x 3mm, 4.5 x 4.5 x 3mm 5 x 5 x 3mm or more size available Hole type: Zig Zag or Arch Template, etc. Finish: Satin Stainless Steel, Polished Stainless Steel and etc.