[Diameter: 16 mm]

[B-metal colour: blue]

[C-metal colour: oxidised colourful]

*Metal colour: black.
*Metal: stainless steel.
*Surface treatment: Polished

*Diameter: 10 mm: knife: 1 mm (0.04 inch) thickness; size: length: 17 mm (0.67 inch); width: 3 mm (0.12 inch); inner diameter: 10 mm (0.39 inch); weight: 6 g.

*Diameter: 12 mm: knife: 1 mm (0.04 inch) thickness; size: length: 19 mm (0.75 inch); width: 3 mm (0.12 inch); inner diameter: 12 mm (0.47 inch); weight: 6.5 g.

*Diameter: 14 mm: knife: 1 mm (0.04 inch) thickness; size: length: 21.5 mm (0.85 inch); width: 3 mm (0.12 inch); inner diameter: 14 mm (0.55 inch); weight: 7.1 g.

*Diameter: 16 mm: knife: 1 mm (0.04 inch) thickness; size: length: 23.5 mm (0.93 inch); width: 3 mm (0.12 inch); inner diameter: 16 mm (0.63 inch); weight: 8 g.

*Diameter: 18 mm: gauge: 1 mm (0.04 inches) thickness; size: length: 26 mm (1.02 inches); width: 3 mm (0.12 inches); inner diameter: 18 mm (0.71 inches); weight: 8.8 g.

*Diameter: 20 mm: gauge: 1 mm (0.04 inch) thickness; size: length: 28 mm (1.1 inch); width: 3 mm (0.12 inch); inner diameter: 20 mm (0.79 inch); weight: 9.3 g.

*Package: jewellery box with brand name COOLSTEELANDBEYOND