Measuring instruments, namely, length measuring gauges, lasers for measuring purposes, tool measuring instruments and appliances for measuring thickness, weight, length, center of mass, moment of inertia and swing weight, all for use with tennis rackets, baseball bats, cricket bats, golf clubs, hockey sticks, and other manufactured sporting implements for striking sports balls; recorded and downloadable computer-aided design (CAD) software for designing tennis rackets, baseball bats, cricket ...