Does this tool exist?

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I need quite a specialised tool, but I don't know what its called so searching for it is troublesome. I imagine it will exist, it is too useful not to in my mind at least!

Basically I want a ratchet ring spanner (easy) that can take a standard screwdriver bit in the ring, kind of like a compact 90 degree torx driver. The best I can find is this:

http://www.amazon.co.uk/compact-screwdriver-inacce...

My problem, if it adds context: I want to replace a dead module located behind the glovebox, but two of the three torx bolts holding it in place are located behind the body out of sight. I can get a finger on them to guide the bit home, but to the left of the unit there's a piece of strut that blocks access. I have about 2 inches clearance max to get the head of the driver through, rotate into position, engage the bolt and then leave enough clearance behind the driver head to extract the bolt.

The item in question is the recirculation stepper motor on a Saab 9-3 ('04).

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Cheers Andy, I have the 1/4" ratchet but there's a reason why it didn't work, think the handle was too short to get fully onto the bolt head.

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Bodo said:

I understand the OP has the one on the right, but needs the one on the left:



Google BIT RATCHET, and there are plenty in all price ranges.

That's it - cheers!

I have a 3/8 and 1/4 socket set but when the bit adapter goes on there's not enough clearance to rotate inside the hole and engage the bolt. But that one on the left should do it. Case closed, I should think.

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Update: tool bought, job jobbed. Thanks PH! Now have properly working aircon.