1-7/32" X 8-7/8" X 88" PRIMED FINGERJOINT PINE SINGLE RABBET JAMB WITH KERF
METRIESKU: 1645624
A jamb can refer to either a top (header) jamb or a side (leg) jamb. These are the top and sides of a door or window and often referred to as the frame that the door or sash are installed on.