ATK704: Allen key 4mm

4mm allen (hexagon) key

  • Manufacturers: Various
  • Product ID: Various

Any 4mm allen key is fine. This fits the M5 bolts used in the rig mounts. In practice you're probably better getting a set as you also need a 5mm allen key.

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Indicative Pricing With Allowance for P&P

You're probably better getting a set but if you do just want them individually you can do. I've seen them on eBay individually for as little as £1