7 oil well drilling rig equipment namely iron roughnecks, automated roughnecks, make-up/break-out tools, make/break tools, make/break machines, combination spinner/wrenches; oil field equipment, namely, hydraulic casing tongs and drill pipe tongs; Oil field equipment, namely, drilling rig devices, namely, casing running tools, spiders, flush mount spiders, top-mount spiders, elevators, combination spider elevators; hydraulic catwalks for oil rigs; oil well drilling rig accessories namely bucking units; shop equipment namely bucking units for connecting and disconnecting pipes in a horizontal position, and make-up/break-out units for connecting and disconnecting pipes in a horizontal position; Machine tools, namely, dies and inserts for power operated tubular handling equipment; bucking unit accessories, namely, vises for bucking units; hydraulic rotary tables for oil rigs; power operated oil rig wrenches; make/break tools for top drives, namely, quills, bushings and wrenches; Oil field equipment, namely, drilling rig mechanical handling machines and devices for positioning iron roughnecks and make/break tools; truck mounted pick-up and lay-down units in the nature of cranes; Oil field equipment, namely, drilling rig devices, namely, tubular handling unit safety clamps; Oil field equipment, namely, drilling rig parts namely drifts, hydraulic hoses and fittings; oil pipe handling equipment spare parts, namely, wear rings, washers, bushings, spherical bearings, bearing pads, sliding blocks and machine transmission gears; trailer mounted bucking units for connecting and disconnecting pipes in a horizontal position; powered oil well tubular ramps and powered mobile ramps used for lifting pipe joints and moving same to or on oil rigs