7 machine and power tools, namely, impact wrenches, pneumatic wrenches, electric wrenches, parts and fittings for impact wrenches, pneumatic wrenches and electric wrenches, impact sockets and pneumatic or electric attachments for impact wrenches; electric hammers, pneumatic hammers, parts and fittings for electric and pneumatic hammers, chisels for pneumatic and electric hammers; blowing machines for exhaustion of dust, parts and fittings thereof; parts of machines, namely, drill chucks, drilling bits and drilling heads; road making machines and road rollers; tool holders for machines, and parts thereof, namely, blades, blade holders, collets, spring collets, and collet chucks