I found this little gem for $5 on Harry J. Epsteins tool store. The Teeny Turner is just that, a tiny driver. Made by Picquic, a Canadian company, it's designed for servicing eyeglasses, watches, toys, and electronics.
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The Teeny Turner has 7 small bits tucked inside itself. The body holds 6 bits, while the 7th bit is always locked and loaded. The US version contains 0 and 00 Phillips, Torx 5,6,8, and Slotted 2 & 3mm bits.
The bit holder is magnetic, as well as the base bit holding areas. The drive bit locks positively with no wobble. The plastic handle is finished quite nicely. No rough edges or burrs. The Teeny Turner is available is 5 colors: Red, Orange, Green, Yellow, Blue, and Fuchsia. Most online sellers don't offer a color choice.
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Looking above you can see that the bits are fed in from the rear. The old bit is pushed behind the new bit. This allows for a total of 7 sized bits. The bits are hexagonal and measure 3/16" x 1".
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I tested the Teeny Turner on my eyeglasses, and old Sharp calculator, and a totaled RC Helicopter. I was able to positively engage all the fasteners. No bit slip. The handle, similar in size to a SO stubby, feels good on the fingers and offers adequate torque and control.
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I like tools that are multi-purposed, useful, and small. The Teeny Turner has performed well and has earned a spot in my truck box and bike bags. It's a great multi-driver for only five bucks.