The HS-765HB sail arm servo has up to 140 degrees of travel and comes with a heavy duty 4.5 inch arm. With its dual ball bearing supported output shaft the HS-765HB will provide years of reliable service for your R/C sailing applications to 2 meters.Features:4.9 inch Sail Arm with 140* MovementStrong Karbonite Gear TrainDual Ball Bearing-Supported Output ShaftWater and Dust-Resistant Case
