If you are already in to a RC Hobby or have done a little DIY then you may already have some kicking around such as small screw drivers, Allen drivers and pliers - these all come in useful when maintaining your model helicopter.
For collective pitch RC Helicopters then a pitch gauge is essential to correctly setup the angle of the rotor blades. We have pitch gauges for sale here: http://www.rcmods.co.uk/000316-ek10348-pitch-guage-p-5012.html
An assortment of small Allen drivers is essential, you will find that you will need these quite often, we have sets from E-SKY for sale here: http://www.rcmods.co.uk/002127-ek1t000-allen-key-driver-set-4pcs-p-5157.html
You will also need an assortment of screwdrivers, RC helicopters are built with both screws and grubscrews so you will need them all to carry out repairs, a good set is available here: http://www.rcmods.co.uk/002123-ek12178-screwdriverallen-driver-set-p-5156.html
These are the basic tools you will require when starting out with RC Helicopters, if you would like a kit that contains all the basic tools that you are likely to need then we recommend the RC MODS Tool kit found here: http://www.rcmods.co.uk/rcmods-tool-kit-p-4756.html this kit contains everything you need at a very good price ad all contained in a aluminum case.
Our full list of tools can be found here: http://www.rcmods.co.uk/other-products-tools-c-478_1.html