Prime-Line Vintage Style Door Knobs w/Satin Nickel Finish, 2-1/4 in. Outside Diameter, Steel

This is a set of satin nickel painted steel knobs with 17/64 in. square spindle. Used on interior latch sets. Fits 9/32 in. square drive spindle systems. These types of door knobs are common on antique and vintage door hardware sets.