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Socket Sets

Socket sets in 1/4", 3/8", and 1/2" square drive, with standard and deep-well options. Premier's range includes general-purpose sets and VDE-insulated versions for live electrical work. If you're replacing a lost socket or starting from scratch, check the drive size matches your ratchet and whether you need metric, AF, or both.

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Showing 1–48 of 118 results

Drive size determines torque capacity and access. 1/4" suits light fasteners and tight spaces — electronics enclosures, instrument panels, small engine covers. 3/8" is the workshop standard for most automotive and machinery work. 1/2" handles suspension bolts, wheel nuts, anything over 19mm that needs real force.

Deep sockets clear threaded rod and reach recessed nuts — gearbox drain plugs, manifold studs, anything where the fastener sits proud of the surface. Standard-depth sockets are shorter and fit where vertical clearance is tight. If you're working around crank pulleys or behind brackets, deep wells save time. For general use, a mixed set covers both.

Premier's Total Drive(R) sockets engage on the flats, not the corners, which spreads load and reduces rounding on worn fasteners. The insulated sets carry VDE approval for work up to 1000V AC — cable glands, motor terminals, anything that can't be fully isolated. The dielectric sleeve is moulded, not dipped, so it won't peel if you catch an edge.

Count the sizes in the set against what you actually turn. A 50-piece kit sounds comprehensive, but if half the sockets duplicate what you already own, a smaller targeted set makes more sense. Check whether the case includes a ratchet and extensions or just the sockets themselves.

Frequently asked questions

What socket set drive size do I need for general workshop use?
3/8" square drive is the workshop standard for most automotive and machinery work. 1/4" suits light fasteners and tight spaces like electronics enclosures and small engine covers, while 1/2" handles suspension bolts, wheel nuts, and anything over 19mm that needs real force.
When should I use deep sockets instead of standard-depth sockets?
Deep sockets clear threaded rod and reach recessed nuts like gearbox drain plugs and manifold studs where the fastener sits proud of the surface. Standard-depth sockets are shorter and fit where vertical clearance is tight. A mixed set covers both situations.
What does WallDrive mean on a socket set?
WallDrive sockets engage on the flats of the fastener rather than the corners, which spreads load and reduces rounding on worn fasteners.
Do I need a separate impact socket set or will a standard socket set work with an impact wrench?
Standard chrome sockets can shatter under impact use. If you're using air or cordless impact tools, you need impact-rated sockets designed to absorb the shock loading.
What's the difference between 6-point and 12-point sockets?
6-point sockets engage all six flats of a hex fastener, giving better grip and reducing the chance of rounding worn bolts. They're the safer choice for corroded or high-torque fasteners.
How do I know if a socket set includes a ratchet and extensions?
Check the piece count and contents list. Some sets include only the sockets themselves, while others bundle a ratchet and extensions. A large piece count doesn't always mean you're getting the tools to drive them.