This is a diecast handle extender for crank-out window and roof vent handles.
It has a 1-1/8 inch long shank.
It is externally and internally serrated for use with 5/16 inch spindles.
This product is priced as a pair and sold as a pair.
You will receive 2 handle extensions
This product is similar to or the same as the following part numbers in these brands:
Prime-Line Products: R 7013
Strybuc Industries: 833C