Knipex 98 42 reversible ratchet with driving square 1 2in knipex 98 42 this reversible ratchet with driving square from knipex has been designed for clockwise and anti clockwise directions while also offering very reliable retention of the actuating tools ensured by a mechanically locked retaining system manufactured to a high standard with chrome vanadium steel and tested according to din en iec 60900 2004 knipex 98 42 reversible ratchet with driving square 1 2