Abrasive belts for power-operated sanders; Abrasive disks for power-operated grinders; Abrasive disks for power-operated sanders; Abrasive wheels for power-operated grinders; Bits for power drills; Blades for power saws; Drill chucks for power drills; Extensions for power drill bits; Machine parts, namely, joints and joint parts for connecting sliding strips, plates and guides; Pneumatic jacks; Power-operated abrasive wheels; Power drill bit extensions; Screw grinding machines; Tool bits for ...