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Heavy duty, rugged 12V Super Heavy Duty 60 size Hi-Torque electric starter. Just the thing for your flight box, use it to start those larger ... more info

 Character: 1.10 bits FUJITSU MCU IC design, reading voltage accurately 2.Large LCD display shows battery voltage and 10-step capacity icon ... more info

Twist Locking Type

 Used for measuring RPM. Features: Compact and easy to store It measures 2 ~ 9 blades prop RPM It shows 4 digits in a 0 ~ 99,999 RPM ... more info

All Aluminium. To fit over 3.0mm size motor shaft. Prop shaft size approx 5.9mm. Total lenght when Nose cone is fully screwed in is approx 33.8mm

All Aluminium. To fit over 3.17mm size motor shaft. Smallish in size.

All Aluminium. To fit over 4.0mm size motor shaft.