"Plus" series servos feature Soft Start and Sanwa SSR compatibility.Features:Metal gear train ensures durability and longevity.Great replacement for RTR crawler, truck and buggy servos.Specifications:Torque @ 4.8v - 20.0kg/277.7oz-inTorque @ 6v - 25.0kg/347.2oz-inSpeed @ 4.8v - 0.18 sec/60 degSpeed @ 6v - 0.15 sec/60 degDimensions L x W x H (mm): 40.7 x 20 x 41Weight: 69g