8 Drill chucks for hand-operated tools; cutting, drilling, grinding, sharpening and surface treatment hand tools, namely, drill drivers, impact wrenches, rotary hammers, drills; hand tools for construction, repair and maintenance, namely, drill drivers, impact wrenches, rotary hammers, drills; hand-operated tools and implements for treatment of materials, and for construction, repair and maintenance, namely, drill drivers, impact wrenches, rotary hammers, drills; hand tools and implements, hand-operated, namely, drill drivers, impact wrenches, rotary hammers, drills; fastening and joining tools, namely, drill drivers, impact wrenches, rotary hammers, drills; chucks for hand-operated tools; self-centring chucks for hand-operated tools