A true Workhorse

7mm (standard for Kyosho Fazer Mk2 models)

Reverse polarity protection

Input Voltage Range: 2S LiPo

HPI Racing - Rotostart 3 System (Hand Unit Only) Tires Wheels Inserts 1/10 Vintage A true WorkhorseGet things going quickly with the Roto Start 3 starting system, The Roto Start 3 lets you use a handheld starting unit so you don't have to deal with starting the engine by hand it really doesn't get any easier to get running! Features: The Roto Start 3 features a circuit breaker that protects the unit in the event of an engine lock up. Requires a 7. 2V rechargeable "Stick" battery pack and charger Engine back plate or starting shaft is not included