Material: Metal Color: Sliver Net Weight:  S  170 g/0.38 lb/6.0 oz M  186 g/0.41 lb/6.6 oz L  207 g/0.46 lb/7.3 oz Inner Dia:  S  4 cm/1.6 inch M  4.5 cm/1.8 inch L  5 cm/2.0 inch Package: OPP Bag PS: Lead Wire And Controller...