Dedicated handles versus a single bit holder
A dedicated screwdriver keeps the chosen tip available without finding a separate bit. That can help when several screw sizes alternate during an interior or component job. The 80066H uses tri-lobe dual-material handles and non-magnetic black-oxide tips. Those details describe the tool arrangement; they do not prove a screw will be retained on the tip or that every user will prefer the handle.
Read the contents rather than the piece count
The verified H-suffix package includes Phillips, slotted and Torx profiles with small precision options. Its T15/T20 selection is not an automotive Torx master set. Compare the actual list with the required screws and avoid using a near-fit profile because another size is absent. GEARWRENCH 80742 addresses a broader hex/Torx socket-driven requirement with its own manual-drive restriction.
Correct use protects both tip and fastener
Seat the appropriate tip fully and maintain alignment. A screwdriver is not a substitute for a pry bar, and this set is not documented as insulated electrical equipment. Keep a damaged tip out of precision fastening work rather than applying extra force to compensate. For component screws, use the specified tightening method; an ordinary handle does not measure torque.
Who should choose the larger set
The Klein 32500HD is easier to keep as one compact multipurpose driver, but requires bit changes and has a different profile list. The 80066H fits a fixed workstation or organised drawer where dedicated tools save handling. An apprentice should compare the training list first so storage space goes to required tips rather than several redundant drivers.