Color: Silver; Material: Steel; Size: 24 x 19 x 2.2mm / 0.94 x 0.75 x 0.09 inch;37 x 31 x 2.8mm / 1.46 x 1.22 x 0.11 inch;50 x 44 x 2.9mm / 1.97 x 1.73 x 0.11 inch(OD*ID*T) Advantage: The clip ring is a buckle design, which is secure and can be firmly…