3 1/4" closed, 5 3/4" open. Five knife set includes doctors knives with Mother of Pearl, Abalone, smooth Chestnut bone, India Stag, and jigged Chestnut bone handles. The complete set housed in a deluxe velvet-lined display case. Tang stamp read 'Parker Cut. Co.' Each knife has main blade etched with the words 'Country Doctor' in scroll script.