Banggood Flash sale on 25kg digital waterproof servo with metal servo arm, $12.99 each, $22.99 for two!
https://usa.banggood.com/DSSERVO-DS...ar-p-1353688.html?cur_warehouse=CN&ID=6301958
https://usa.banggood.com/DSSERVO-DS...ar-p-1353688.html?cur_warehouse=CN&ID=6301958