Brand NEW LEGO Technic: 10pcs x2 - 3M Cross Axles (Light Gray) x2 - 6M Cross Axles (Black) x2 - 8M Cross Axles (Black) x2 - 10M Cross Axles (Black) x2 - 12M Cross Axles (Black) 6M represents 6 stud brick length, 3M is an axle 3 studs brick long. So if you hold an axle up to a LEGO brick you can tell how long it is by counting the studs. All brand NEW parts, only handled for shipping purposes.