Which is better for electrical work?

The 6-piece set. It has lineman's, diagonal and long nose pliers, a wire stripper rated 8-20 AWG, and two screwdrivers. The 366-piece set has pliers and screwdrivers but no wire stripper.

Which is better for auto and mechanical repair?

The 366-piece set. It adds 1/4, 3/8 and 1/2 in. drive sockets, 90-tooth ratchets and SAE and metric ratcheting wrenches. The 6-piece set has none of those.

Is the 366-piece set worth the extra money?

Only if you need sockets and wrenches. At $1,930.00 at eBay as of November 7, 2026, it costs far more than a small pliers kit, and its price has moved between $999.00 and $3,958.00 since November 4, 2026.

Both carry a lifetime guarantee on the core hand tools. The 366-piece set splits coverage: ratchets, sockets, wrenches, picks, pry bars and hammers get the Milwaukee Lifetime Guarantee, while the PACKOUT box, screwdrivers, pliers, hex keys, adjustable wrenches, tape measure and utility knife get a limited lifetime warranty.

Possibly. The 366-piece set covers mechanical work but lacks a wire stripper, so the 6-piece set fills that gap. If you only do wiring, the 6-piece set alone is enough.

How big is the storage?

The 6-piece set uses a low-profile compact PACKOUT organizer. The 366-piece set uses a PACKOUT 4-drawer box with a locking security bar and a dolly rated to 250 lb.

Milwaukee 6-Pc Pliers & Screwdriver Set vs Milwaukee Master Mechanics Hand Tool Set

Buy the 6 Pc. pliers and screwdriver set for electrical and service work: it covers stripping, cutting, gripping and driving in one small kit. Buy the 366 Pc. Master Mechanics set if you need sockets, ratchets and wrenches across SAE and metric, and you can absorb the cost. The 366-piece set is $1,930.00 at eBay as of November 7, 2026, and has swung between $999.00 and $3,958.00 since November 4, 2026. No price was given for the 6-piece set, so compare it at your store before deciding.

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