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Rennsteig Assembly Keys for Multi-Contact/Stäubli MC4

Rennsteig's ergonomic open end assembly keys are used to tighten and loosen the cable glands of MC4 connectors. Can be used for assembly as well as disassembly.


  • Tighten and loosen cable glands.
  • Can also open the locking mechanism on an assembled connection.
  • Sold in sets of two.
  • Only for use with Stäubli brand MC4 Connectors.
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9990690 Rennsteig 690 001, Assembly Keys for Multi-Contact/Stäubli MC4 Connectors, Set of Two (1 SET MIN) 9.36 1 EA Call
Prop65 Warning