5mm allen (hexagon) key
- Manufacturers: Various
- Product ID: Various
Any 5mm allen key is fine. IN practice you're probably better getting a set as you also need a 4mm allen key.
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. eBay tends to be cheapest and I've seen them for as little as £1