X-Factory adds four new hardware items to the ‘Real Men Wear Black’ line so your R/C car can look totally dialed. If you are serious about racing, you want a serious race car. The new hardware includes black counter-sink washers, and black locking nuts in 4-40 mini, 4-40 low profile, and 8-32 low profile to fit CVD. axles. All three sizes of locking nut are 4 per pack, while the counter-sink washers are eight per pack. Priced less than the blue stuff, now at fine hobby stores everywhere.