Park Tool AWS-3 Y Hex Wrench: 2, 2.5, 3mm
Tools
Park Tool AWS-3 Y Hex Wrench: 2, 2.5, 3mm
Park Tool AWS-3 Y Hex Wrench: 2, 2.5, 3mm
The Park Tool AWS-3 Y Hex Wrench is a Y-shaped three-way wrench with 2mm, 2.5mm, and 3mm hex wrenches, which Park Tool calls three of the most popular smaller hex fittings found on modern bicycles, for adjusting brakes, derailleurs, electronic components, and more. Read the overview
At a glance
- Material
- Heat-treated industrial tool steel
- Design
- Y-style three-arm handle
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Overview
What sizes does the Park Tool AWS-3 Y Hex Wrench cover?
The Park Tool AWS-3 Y Hex Wrench is a Y-shaped three-way wrench with 2mm, 2.5mm, and 3mm hex wrenches, which Park Tool calls three of the most popular smaller hex fittings found on modern bicycles, for adjusting brakes, derailleurs, electronic components, and more. Each wrench is made from heat-treated industrial tool steel with chamfered tips for a perfect fit, set in a glass fiber reinforced polymer center.
Park Tool says its Y-shaped wrenches fit perfectly in the palm of your hand and provide excellent leverage.
All the specs
MPN AWS-3
- Sizes
- 2mm, 2.5mm, 3mm hex
- Material
- Heat-treated industrial tool steel
- Design
- Y-style three-arm handle
- Use
- Brakes, derailleurs, electronic components
FAQ
Good questions
Get to know Park Tool

There's more to Park Tool than this one product. Our Park Tool page has the full Park Tool lineup we carry and more about the brand.
Visit the Park Tool page →Why a Y-shaped hex wrench?
Park Tool says its Y-shaped wrenches fit perfectly in the palm of your hand and provide excellent leverage.
What tasks are the 2mm, 2.5mm, and 3mm sizes used for?
Park Tool calls them three of the most popular smaller hex fittings found on modern bicycles, used for adjusting brakes, derailleurs, electronic components, and more.
Reviews
What riders say about the Lab
“Paul does a great job. He got my bike I bought from someone there in their town and had it packed and shipped to me in Austin, TX… It got here in perfect condition!”
“Fantastic store. It has everything you may want/need for cycling. Great team. Highly recommend to anyone looking for cycling related things and bike service.”
“I recently got back into biking and wanted to add some things onto my bike. They had most of what I was looking for in shop… I'm really happy to have found them.”
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