... : 4x3x3, 5x3x3 and so on 3) material: stainles steel, iron ball bearing hinge, door hinge, bearing hingestyle: 2BB , 4BB , 6BBsize: 3x2.5x2.5 , 4x3x3, 5x3x3 and ... check the picture as below, there are different Door Hardware Series, as door stoppr, door bolt. Welcome to give me Email when you ... or question for these items. My Email is 4 inch door hinge