Pre-applied thread locking agent on sprocket bolts and factory-style Fuji lock nuts create a double-locking design that keeps the hardware tight and secureKit includes six sprocket bolts 0.32'', six Fuji metal-locking nuts 0.32'' and six flat washers 0.32''Metric class (grade) 10.9 for outstanding wear and durabilityEU: Kit includes six sprocket bolts 8 mm, six Fuji metal-locking nuts 8 mm and six flat washers 8 mm