Detailed Product Description Key ring(split ring),. Material: IronSize: 2.0*28mmcolor plated: goldmore available key rings:Size: 1.0*13mm, 1.0*15mm, 1.0*16mm, 1.0*18mm, 1.0*23mm, 1.6*25mm, 2.0*30mm, 2.0*32mm, 2.2*33mm, 2.0*35mm, 2.0*38.5mmColor:plated: silver,brass,gunmetal,nickel,etc