Nine long-type flat-end hex wrenches (article 220/3L), 1.5 to 10 mm, on a plastic clip. Nickel-plated premium chrome vanadium, hardened and tempered; metric sizes are made to ISO 2936. Long-arm lengths run 91.5 to 234 mm; the complete set weighs 416 g and carries Unior's lifetime warranty.
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Forged in Zreče, Slovenia since 1919. Sponsors professional road and mountain-bike race teams.
In the box
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1.5 mm hex wrench, long type article 220/3L; L1 91.5 mm, L2 15.5 mm, 1 g 608510
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2 mm hex wrench, long type article 220/3L; L1 102 mm, L2 18 mm, 7 g 608511
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2.5 mm hex wrench, long type article 220/3L; L1 114.5 mm, L2 20.5 mm, 10 g 608512
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3 mm hex wrench, long type article 220/3L; L1 129 mm, L2 23 mm, 14 g 608513
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4 mm hex wrench, long type article 220/3L; L1 144 mm, L2 29 mm, 22 g 608514
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5 mm hex wrench, long type article 220/3L; L1 165 mm, L2 33 mm, 35 g 608515
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6 mm hex wrench, long type article 220/3L; L1 186 mm, L2 38 mm, 55 g 608516
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8 mm hex wrench, long type article 220/3L; L1 208 mm, L2 44 mm, 105 g 608518
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10 mm hex wrench, long type article 220/3L; L1 234 mm, L2 50 mm, 105 g 608519
On this page
A long-handle hex wrench set is the foundation of every bike shop's fastener-driver collection. The long arm gives leverage you need on stuck pedals, crank bolts, and over-torqued seatpost binders; the nine-size range from 1.5 to 10 mm covers every metric-hex fastener you'll see on a modern bicycle. This set arrives in a plastic clip-index that keeps the sizes in order; every wrench has its slot.
What's in the set
Nine metric hex wrenches with flat-end tips:
- 1.5 mm
- 2 mm
- 2.5 mm
- 3 mm
- 4 mm
- 5 mm
- 6 mm
- 8 mm
- 10 mm
The 4 and 5 mm sizes will see the most action; the 8 and 10 mm are the pedal-and-crank-bolt sizes. The 1.5 and 2.5 mm cover the small accessory fasteners that show up around shifters, brake levers, and computer mounts.
When to choose long-arm over short-arm
The long-arm form is the right default for a workshop. The advantages:
- More leverage for breaking stuck fasteners loose.
- More reach for fasteners on the inside of frames, behind component clusters, or in deep recesses.
- Better lever arm for the final cycle counts when a fastener is approaching install torque.
The trade-off is that long-arm wrenches don't fit into tight clearance scenarios (a bolt sandwiched between a derailleur cage and a chainstay, for example). Those cases want a short-arm set, which is a complementary purchase rather than a replacement.
Flat-end vs. ball-end
This set uses flat-end (straight-cut) tips on both arms. Flat tips deliver maximum torque capacity because the full face of the tip engages the bolt recess; ball-end tips trade torque capacity for the ability to engage at an angle.
For final-torque work and breaking stuck fasteners, flat-end is the right choice. For reaching fasteners that are partially blocked by adjacent components, the ball-end version of this set is the complementary tool. Many shops own both sets; the ball-end gets used for initial engagement, the flat-end for the final torque.
Specs
- Sizes: 1.5, 2, 2.5, 3, 4, 5, 6, 8, 10 mm
- Tip style: flat-end (straight-cut)
- Handle style: long-arm L-shape (long arm L1 91.5–234 mm; short arm L2 15.5–50 mm)
- Storage: plastic clip-index. Complete set weight: 416 g
- Standard: ISO 2936 (metric). Material: premium chrome vanadium steel, entirely hardened and tempered, nickel plated
Made in Slovenia, since 1919
Unior has been forging hand tools in Zreče since 1919, and sponsors professional road and mountain-bike race teams. The premium chrome-vanadium steel is the alloy choice across the hex wrench line; the dimensional tolerances meet ISO 2936 (metric), which is what guarantees the tip fits the bolt recess without rocking. A tip that's a few hundredths off-spec rounds the bolt recess on the first stuck-fastener encounter; ours doesn't, because the forging and grinding processes hold the tolerance through the full production run.
Pro tip from our mechanics
If you're building a tool kit from scratch, this is the first hex-wrench purchase. The ball-end set is the second; the short-arm set is the third (and optional). For the framework on which wrench style fits which job: Hex and Torx wrenches for bike work →.
FAQ
Which hex sizes come in the 220/3LPH-US set? Nine long-type flat-end hex wrenches: 1.5, 2, 2.5, 3, 4, 5, 6, 8 and 10 mm, each article 220/3L, on a plastic clip. In-between sizes such as 7 mm and 9 mm are not included.
When should I use this flat-end set instead of the ball-end version? Use the flat-end tips when you can reach the fastener on-axis. The full face of the hex sits in the recess, which is the right choice for breaking a stuck bolt loose and for final torque. The ball-end twin (220/3SLPH-US) is the complementary set for fasteners you can only approach at an angle.
How long are the wrenches, and what does the set weigh? Long-arm length (L1) runs from 91.5 mm on the 1.5 mm wrench to 234 mm on the 10 mm. Short-arm length (L2) runs from 15.5 mm to 50 mm. The complete set weighs 416 g.
What steel, standard and finish are these wrenches, and is there a warranty? Premium chrome vanadium steel, entirely hardened and tempered, with a nickel-plated finish. Metric sizes are made to ISO 2936. Unior covers the wrenches with a lifetime warranty.
Tech Tips
Hex and Torx wrenches: how to pick the right tool for the job
