I've done it but its been a while...
Check out these kuids'
Auto Running Number Grid (attachment),<kuid2:104722:2511038:2>
Ortner v3 Auto Running Number Grid (attachment),<kuid2:104722:2511042:1>
Auto Running Gear Grid (attachment) - front,<kuid2:104722:2521000:1>
Auto Running Gear Grid (attachment) - rear,<kuid2:104722:2521001:1>
MFX Grid 3-bay (attachment),<kuid2:104722:2521042:1>
and this
NumberIt random running number library,<kuid2:75134:99003:7>
AL