piercing system ( alu anodized ) consists of:

2 pcs spacers 10 mm thick front ( 20 mm / axle )
2 pcs spacers 17 mm thick rear ( 34 mm / axle )

8 pcs wheel bolt M 14 x 1.5 x 38 ball seat R13 / SW 17 ( front )
2 pcs wheel bolt locker M 14 x 1,5 x 38 ball seat R13 ( front )
8 pcs wheel bolt M 14 x 1.5 x 45 ball seat R13 / SW 17 ( rear )
2 pcs wheel bolt locker M 14 x 1,5 x 45 ball seat R13 ( rear )
1 pcs adpater SW 17 for wheel bolt locker

Does only fit with OE Seat aluminium wheels with 7 x 45 chamber bevel at the end of the centre bore ( check list below )

Arona KJ:( with add on wheel arche extension flaps rear )
6.0 x 16 ET 47 m. 205/60 R 16
6.5 x 17 ET 48 m. 205/55 R 17

Tarraco KN / 5FJ:
7.0 x 18 ET 43 m. 235/55 R 18
7.0 x 19 ET 43 m. 235/50 R 19
8.0 x 20 ET 41 m. 235/45 R 20