For Extension Ladder Models:
Werner DI216-2
Werner DI220-2
Werner DI224-2
Werner DI328-2
Werner DI332-2
Keller 3516
Keller 3520
Keller 3524
Keller 4028
Keller 4032
Please email [email protected] if your model is not listed.
Ladder rail receptacle dimensions:

Receptacle dimensions:
Inside Dimensions

