2C x 1.5 sq.mm, 2C x 2.5 sq.mm, 3C x 1.5 sq.mm, 3C x 2.5 sq.mm, 4C x 1.5 sq.mm, 4C x 2.5 sq.mm, 6C x 1.5 sq.mm, 6C x 2.5 sq.mm, 8C x 1.5 sq.mm, 8C x 2.5 sq.mm, 10C x 1.5 sq.mm, 10C x 2.5 sq.mm, 12C x 1.5 sq.mm, 12C x 2.5 sq.mm, 16C x 1.5 sq.mm, 16C x 2.5 sq.mm, 20C x 1.5 sq.mm, 20C x 2.5 sq.mm, 24C x 1.5 sq.mm, 24C x 2.5 sq.mm, 30C x 1.5 sq.mm, 30C x 2.5 sq.mm