- Size Guide
Maple Allen Key T-Wrench 4mm
The Maple Allen Key T-Wrench is 4mm. With a large end for strength and the short end for ease of use.
Handy Allen Key for Long Track, Inline.
Lastly in addition it also works on IKEA products too, much better than the little Allen key they provide.
A must have for any Speed Skaters tool Kit.