Sargent Crete M-15503This a nice set for of Brass knob by Sargent #M-15503 1910 - 1930 door knobs 1 is an Entry size 2 1/2 “ diameter 3/8” diameter and other passage size 2 1/4” diameter 1/4” spindle size, this have a small dent on top, see last picture with original spindle A very popular design which was made in numerous design variations and various materials in brass, bronze, and steel. You will also note a slight variation in the eggs & darts so please, if you are trying t...o match them up with ones you already have, look very carefully at the photos. Shipped with USPS Priority Mail.