Ratchet spannners-reviewed and rated

摘要

Ratchet spanners seem to be in vogue at the moment, with several well-lcnown manufacturers offering versions of these handy tools. These nifty spanners are compact, easy to use and can save time when working in tight spaces, but their price can leaveany tool enthusiast in a cold sweat. Kondinin Group engineer Josh Giumelli investigates, and finds not all ratchet spanners are created equal.