Patent ID: 8099868

Claim:
A utility tool comprising: a replaceable tool cartridge having a blade, a rotatable blade shield, a return spring that urges the shield toward a closed position, and projecting stem, where the stem includes catches; and a handle having a slot configured to receive the stem, and the handle configured to have top and bottom edges extending along the length of the handle and first and second sides; the handle further comprising a first side through opening forming a hole extending through the first and second sides of the handle, wherein the hole is defined by the top and bottom edges, a shoulder portion and a rib, the shoulder portion and rib extending transversely between the top and bottom edges of the handle, and wherein the rib separates the first side through opening from a second side through opening in the handle; and wherein upon insertion of the stem into the slot the catches releasably attach on opposite sides of the handle to the shoulder portion extending transversely between the top and bottom edges of the handle of the first side through opening.