This is the S3152 Digital Servo w/Ball Bearings for airplane, car and boat Use and Comes with "J" Connector Pre-Installed.

FEATURES: Comes with Heavy Duty wiring that can handle Higher Current Loads
                       Ball Bearing Output Shaft
                       High Torque
                       Great for 1/8 Cars or Boats Where Higher Torque and Speed are Needed
                       One year limited warranty

INCLUDES: One Digital High Torque Servo w/Small Round Horn and 11.5" (292mm) wire lead
                        Four Rectangular Grommets
                        Four Chrome Bushings
                        Four Mounting Screws
                       One Large Round Horn
                       One Six Arm Horn
                       One Four Arm Horn

SPECS:    Speed:  .22 sec/60° @ 4.8V, .18 sec/60° @ 6V
                 Torque: 69 oz-in @ 4.8V, 87 oz-in @ 6V
                 Weight: 1.5oz (42g)
                  Length: 1.6" (41mm)
                 Width:   .8" (20mm)
                 Height: 1.5" (38mm)