Holt's Stricture Dilators Rectangular case with a hook-locking mechanism, leather-bound externally and lined with blue silk and velvet internally. It contains a complete set of Holt’s urethral or stricture dilators, comprising three hollow brass shafts of varying sizes with ivory handles, a two-piece curved metal shaft with a screw mechanism for adjustable expansion, and a guide wire through which the dilators are inserted for operation. Labelled “Fannin” on the base. 1900-1949