group of four original and intact antique american interior residential spoked cast iron "wilcox" sliding or pocket door track hanger rollers designed and fabricated by the richards-wilcox mfg. co., aurora, il. the matching lot of original unrestored rollers are double-sided with grooved edge wheels or sheaves connected to a centrally located axle or spindle. the rollers were salvaged from badly damaged pocket doors removed from a chicago residence undergoing demolition. the double-wheeled trucks are in great overall condition. priced for the lot. track rollers measure approximately 4 1/2 x 2 3/4 inches.