Colour

• gold (4)
• copper (6)
• brass (3)
• silver (6)

Size in lines (diameter)

• 20 (2)
• 24 (4)
• 28 (6)
• 32 (6)
• 36 (6)
• 40 (4)
• 42 (2)

number of holes

• 4-hole (4)
• shank (6)