Artifact Details Title Semicircle punch Catalog Number 102729700 Type Physical object Description This is a tool for cutting the end of a reel of 1/2 inch computer tape into a nice round shape that will feed well into a tape drive with automatic loading. Manufacturer IBM Dimensions overall: 1 1/4 in x 2 1/2 in x 2 1/2 in Category I/O/paper tape device