Spark plug DENSO B7HS / W22FS-U / BRI-N14C

Wrench size: 21mm
Thread size: 14mm
Thread length: 12,7mm

Fits for most models:
ADLER
ATALA
BMW
BSA
BENELLI
BETA
BLAST
BOOM TRIKE
BULTACO
CAGIVA
CARREFOUR
CASAL
CLIPIC
DKW
DERBI
DUCATI
DURRKOPP
FANTIC
ITALJET
KTM
KAWASAKI
LEM
MBK
PEUGEOT
PIAGGIO/VESPA
PUCH
SACHS
SUZUKI
YAMAHA

*May fit for other models.