Suitable for the following scale(s): Slot Cars ScaleThe Sport + range of spares provides everything you need to fine tune a Scalextric car to get the maximum performance from it on the track. Silicon coated wire is used to run between the guide blade and motor. It is very pliable and therefore allows the rotation of the guide blade to move freely and with a light action. Preferred by the experienced racer as a way of reducing drag in the slot and improving top speed and electrical conductivity.