Overall Length: 73 mm / 2.87 inch; Outer Diameter: 30 x 31.5 mm / 1.18 x 1.24 inch; Inner Diameter: 26 x 28.66 mm / 1.02 x 1.13 inch; Color: Black Advantage: Made of durable plastic material, not easy to scratch or bend, lightweight, dust-proof and…