size: 
2 x 1.5 mm, 2 x 2.0 mm, 2 x 2.5 mm
1 x 3.0 mm, 1 x 3.2 mm, 1 x 3.5 mm
1 x 4.0 mm, 1 x 4.5 mm, 1 x 5.0 mm
1 x 6.0 mm, 1 x 8.0 mm, 1 x 10.0 mm