NTD, I picked up this Gearwrench conversation kit which lets me use wrenches as ratchet drivers. They are much thinner than full ratchets, and the kit was $22. If you have their
Gearwrench Ratcheting Wrenches
GEARDRIVE Long Pattern Combination Wrench Set, Metric, 5-Piece, 23-30mm, 12 Point, Chrome Vanadium Steel, with Pouch - Amazon.com
Combination Wrenches 10mm Flexible Head Ratchet Spanner Metric Spanner Set Ratcheting Wrench Repair Tool Hand Tool