Hexfly have announced their new HX3225 high-torque metal gear servo that packs a massive amount of torque in a very budget friendly package. The servo features an aluminum center case for better cooling under hard use, all metal gears for durability and is waterproof. Also included in the package is a machined aluminum servo horn for an extra level of strength and durability. Torque at 4.8v is listed as 21kg/cm and jumps to 25kg/cm at 6.8v. Speed is rated at .14 sec/60 degrees at 4.8v and .13sec/60 degrees.