This Gear is also used in the following Extended Limit Switch modifications:
- Model B & F with 152′ of lift or Model C with 299′ of lift – use a 64 TPI Limit Switch Shaft and 64 TPI Nut
- Model J & L with 162′, Model LL with 318′, Model R with 81′, Model RR with 158′ of lift – use a 56 TPI Limit Switch Shaft and 56 TPI Nut
- Model J & L with 185′, Model LL with 363′, Model R with 93′, Model RR with 181′ of lift- use a 64 TPI Limit Switch Shaft and 64 TPI Nut