Contents (Approximate Quantity): ID x OD x Thickness; Ø6 x Ø10 x 1 (x20), 10 x 13.5 x 1 (x20), 10 x 20 x 1 (x20), 12 x 16 x 1.5 (x20), 14 x 18 x 1.5 (x20), 16 x 20 x 1.5 (x15), 21 x 25 x 1 (x10), 8 x 11.5 x 1 (x20), 10 x 14 x 1 (x20), 10 x 20 x 2 (x20), 12 x 18 x 1.5 (x20), 14 x 20 x 1.5 (x20), 17 x 21 x 1.5 (x15), 22 x 27 x 1mm (x10)
