UNF breakable coupling

Crouse-Hinds 1" to 1.5" UNF breakable coupling,
Frangible coupler is used on runway lights , it is the breakaway part of the post holding the ligh
Dimensions and Weight
Length: 4 in.
Width: 4 in.
Height: 4 in.
Shipping Weight: 7 lbs.
Length: 4 in.
Width: 4 in.
Height: 4 in.
Shipping Weight: 7 lbs.