This item is sold by the meter. Please state required length. Materials:

Amazon:
Front Seat bottom: 3.25m / chair
Front Seat Back: 3 m / chair
late model Amazon rear seat: 8 meter

1800:
Front Seat Bottom: 3.5 m / chair
Front seat Back: 3.5 m / chair
Rear seat: 4 m (157") 2 x 1,05 (2 x 40"), + 6 x 0,30 (6 x 12")

140:
Front Seat: 3.5 m / chair 1967-72

You might also need the following:
Fastener 671227, Hook 671226

This part replaces part no 672993