Blades for electric rotary cutting machines; Collets for power tools; Electric rotary cutting machines; Electric rotary hammers; Electronically and power-operated tools, namely, pullers and components therefor, nut splitters, extractors, separators, spanners and coil spring compressors; Extensions for power tools; Grinders being power tools; Machine parts, namely, grindstones; Machines utilizing rotational motion for high energy surface finishing and material treatment; Power-operated grass/w...