Adjustable shank slot dial

An adjustable shank slot dial for fixturing elongate shanks, said dial being manually adjustable to accommodate shanks of different lengths and comprising the combination of first and second shank support members, said members having equi-diameter cylindrical faces each having formed therein a plurality of circumferentially spaced axial notches sized to receive said shanks snugly across the diameters thereof, means for supporting said first shank support member for rotation about the longitudinal center axis of its cylindrical face, and means for adjustably mounting and rigidly securing said second support member onto said first support member with said circumferential faces coaxially disposed and at adjustable axial spacings with corresponding notches in the respective cylindrical faces axially aligned with one another whereby opposite end sections of the shanks are adapted to be abutted against and supported by the dial circumferential faces and the intermediate sections of the shanks are adapted to bridge the axial spacing between said circumferential faces, said mounting and securing means including complementary sets of helical threads formed on said first and second shank support members located coaxially around the longitudinal center axis so that rotation of the second member relative to the first member effects axial movement of the second member relative to the first member to adjust the distance between said cylindrical faces to receive and support shanks of different lengths.