220 pcs flat washers set made of copper. Copper washers are corrosion-resistant in wet environments, nonmagnetic, and electrically conductive.

Package Contents [I.D. x O.D. x thick.]:

• 4.0 x 8.0 x 1.0 mm - 25 pieces
• 5.0 x 9.0 x 1.0 mm - 25 pieces
• 6.0 x 10 x 1.0 mm - 25 pieces
• 6.0 x 12 x 1.0 mm - 25 pieces
• 8.0 x 12 x 1.0 mm - 10 pieces
• 8.0 x 14 x 1.0 mm - 10 pieces
• 10.0 x 14 x 1.0 mm - 10 pieces
• 10.0 x 16 x 1.0 mm - 10 pieces
• 12.0 x 16 x 1.5 mm - 10 pieces
• 14.0 x 18 x 1.5 mm - 10 pieces
• 16.0 x 20 x 1.5 mm - 10 pieces
• 20.0 x 26 x 1.5 mm - 10 pieces
• 14.0 x 20 x 1.5 mm - 10 pieces
• 18.0 x 24 x 1.5 mm - 10 pieces
• 22.0 x 27 x 1.5 mm - 10 pieces