Patent ID: 7987748

Claim:
A tool identifier, comprising: a tool body comprising an engaging surface, an identification ring mounted around the engaging surface, comprising an annular ring shaped inner layer with elasticity comprising an intermediate portion comprising an inner abutment face with at least one projecting portion; an upper edge adjacent to the intermediate portion, and a lower edge adjacent to the intermediate portion, and wherein the inner layer comprises a first color and a first high molecular polymer, and an annular ring shaped outer layer with elasticity comprising an outer abutment face, a first outer edge, a second outer edge, and an at least one aperture, and wherein the outer layer comprises a second color diverse and easily distinguishable by ordinary human eyesight from the first color, and a second high molecular polymer, and wherein the outer abutment face abuts the inner abutment face, the first outer edge abuts the upper edge, the second outer edge abuts the lower edge, and the at least one projecting portion extends through the at least one aperture.