Web08-160 LAVIETES patent multiple blade screwdriver. Patented 1949 by Richard Lavietes of Shelton, CT, and manufactured originally by Shelton Plane Co; this one is marked as having been manufactured by Sexauer Mfg. 4-3/4" long with bakelite handle and three interchangeable blades. Nickel has a few spots but overall clean and works smoothly. (HSS361)