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Park Tool

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TH-3 Tap and Bit Driver
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Park Tool
The TH-3 is a low-profile driver for both hex drive bits and small frame taps. With its small size and convenient round shape, the TH-3 makes quick work of jobs in tight places, clearing obstacles that would impede standard tap handles or hex wrenches. Ideal for restrictive areas such as water bottle cages and rack mounts. One side accommodates most square shank frame taps up to M6, including the Park Tool TAP-7, TAP-8, and TAP-9, and features a set screw for solid fixturing during use. The other side accepts standard 1/4" hex drive bits (not included) which are held in place using a strong retaining magnet.
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The product description does not list the size of the thread end. Upon receiving the product, I noticed the threads were not a standard air hose size. They are smaller. I have to find some sort of adapter to go from the Presta inflator valve to my air hose.
Easy install. Went from 170 to 165. So far so good. Can’t say I noticed anything dramatic with the 5mm difference.
Makes switching chainrings very easy… although you do need a specific tool for the job.
The new price for a replacement for my gen2 is silly. This one is better price and works, you just have to swap the bash guard and bumper at top. This is a better price and I also got a sale discount. much more reasonable. Thanks!