This is a brown plastic handle designed for crank-out windows.
Shank is 1-3/4 inches long.
It is internally serrated and accepts a 5/16 inch spindle.
Package contains 2 handles and 2 installation screws.
Priced and sold in pairs.
This product is similar to or the same as the following part numbers in these brands:
Prime-Line Products: R 7001
Strybuc Industries: 881C-1/34 Blk