The SV-1254MG servo is a high performance coreless servo with good torque and fast transit time in a low profile package."Plus" models feature Soft Start and Sanwa SSR CompatibilityFeatures:Steel gear train provide durability against heavy use.Capable of HV operation.Standard size performance in a low profile package.Soft Start and Sanwa SSR CompatibilitySpecifications:Torque @ 7.4v - 15.0kg-cm/208.3oz-inTorque @ 8.4v - 18.0kg-cm/250.0oz-inSpeed @ 7.4v - 0.085 sec/60 degSpeed @ 8.4v - 0.075 sec/60 degDimensions L x W x H (mm): 40.8 x 20.2 x 25.4Weight: 46.0g