Klein Tools 32327 Precision Screwdriver Set, 27-in-1 Multi-Bit Screwdriver, Onboard Storage, Rare-Earth

The Klein Tools 32327 Precision Screwdriver is an all-in-one multi-bit hand tool designed for working with tiny fasteners on delicate electronics, terminal blocks, pocket knives, and small household appliances. Instead of carrying a separate case of micro-drivers, this tool keeps 26 precision bit sizes alongside a built-in 3.5 mm nut driver entirely inside the handle.

The driver features an internal Rare-Earth magnet housed in the barrel. This design securely retains both the selected bit and tiny screws, allowing for straightforward one-handed fastening in tight spaces. For smooth operation, the back end features a free-spinning cap that stays fixed against your palm while your fingers rotate the cushion-grip body, providing controlled torque without slipping.

Bit selection is extensive, packing double-ended industrial-strength bits that cover Phillips (#000 through #2), Slotted (1 to 3.5 mm), standard Hex (0.9 to 1.5 mm), Hex Security (2 to 3.5 mm), standard TORX (T3, T4), and security TORX (T5H through T15H). The internal storage completely eliminates the clutter of separate plastic bit blocks.

Because this driver is built strictly around precision and security micro-fasteners, it is not intended for heavy-duty construction or large structural hardware. Working with different screw heads also requires unscrewing the handle and pulling out the specific double-ended bit you need.

Verdict: The Klein Tools 32327 is an excellent, compact choice for technicians, hobbyists, and anyone who regularly repairs small electronics, appliances, or pocket knives. It puts a full set of 26 precision and security sizes into a single self-contained handle.

• Total Bit Functions: 27-in-1 (26 precision bit sizes plus 3.5 mm nut driver)
• Phillips Sizes: #000, #00, #0, #1, #2
• Slotted Sizes: 1, 2, 2.5, 3, 3.5 mm
• Hex Sizes: 0.9, 1.3, 1.5 mm
• Hex Security Sizes: 2, 2.5, 3, 3.5 mm
• TORX Sizes: T3, T4
• TORX Security Sizes: T5H, T6H, T7H, T8H, T9H, T10H, T15H
• Magnet Type: Rare-Earth magnetic barrel
• Bit Style: Industrial-strength double-ended
• Handle Type: Cushion-grip with spin cap

A great fit if you:

• Repair electronics, terminal blocks, or small home appliances.
• Need tamper-resistant security Torx and security Hex sizes in a portable format.
• Work on pocket knives and fine mechanical gear.
• Want an all-in-one precision tool without carrying a separate bit case.

Consider something else if you:

• Need standard, full-sized screwdrivers for general home construction or heavy automotive work.
• Prefer individual dedicated screwdrivers over multi-bit swapping designs.

Where are the extra bits stored?
All the industrial-strength double-ended bits are stored directly inside the handle of the screwdriver, so you do not need an external case.

What security bits are included?
The tool includes Hex Security sizes 2, 2.5, 3, and 3.5, as well as TORX Security sizes T5H, T6H, T7H, T8H, T9H, T10H, and T15H.

Does this driver have a magnetic tip?
Yes, the barrel features a strong Rare-Earth magnet that securely holds both the bits and the fasteners in place during use.