Weltrecord ratcheting screwdriver, 

super sized

approx. 12"/29 cm long with bit

1950s-'60s

Baumann Pat. 1891,

made in Germany

Very rare in this size.

The largest I've ever seen.

Main photos shows the regular size Baumann and the super sized for comparison.

Only the big one is included in the sale, small one is also listed  on Ebay

Comes with one original bit.

Please study photos as they are part of the description

Free postage for UK buyers