Servo Stretcher - Increase travel on your lifter/hammer

Having trouble self righting?  Need a little more "oomph" in your servo?  This servo stretcher gets it done effectively doubling the travel.  At 4 grams it's super light and the easy way yo get the travel you need without modifying servo internals or remote settings.   It's a great upgrade for the Viper Lifter Add-On as well as anything using a servo that needs a little more travel such as hammers or self righters.   Compatible with the stock Viper servo and the PBB upgraded Servo.   See videos and pics for side by side comparisons.  It's a great and inexpensive upgrade.   Specifications: Input Voltage: 3.0V-16.0V Max Current: 5A Weight: 4g