This is an optional setting driver for your offroad Nitro engine. With the long handle and narrow blade this is the perfect screwdriver for fine tuning your engines performance.
Sean Barton
Verified Owner
Saturday, Apr 13 2019 (about a year ago)
Mugen Seiki Setting Driver For Engine
Decent had it for about 2 months it now has about a 1/8th inches of play in the handel so we will see if it gets worse. I would recamend the losi driver or hudy