Fibre washers for plumbing applications and for use as buffers and packers. From 10mm with 3mm centres, to 30mm with 16mm centres. Sizes (Inner Dia x Outer Dia): 16 x 30mm; 24 x 28mm; 20 x 24mm; 15 x 18mm; 13 x 19mm; 8 x 16mm; 6 x 12mm; 3 x 10mm. Handy storage case with compartments.