This is the Futaba Standard Size Ball Bearing High Torque Servo. This servo can produce high-current draw from your batteries. If using NiMH or LiPo batteries, make sure they are capable of delivering approximately 2A for each servo. FEATURES: Ideal for high-torque applications requiring a standard size servo Universal connector fits Futaba, Hitec, JR, KO Propo, Airtronics Z, and Tower Hobbies. Does not fit old Airtronics A plug w/out adapter Nylon gears One bearing pre-mounted on output shaft. One year warranty INCLUDES: One Futaba standard size high torque servo with; One 1.4" (35mm) diameter round servo wheel One 1.5" (39mm) diameter 4 point servo wheel One 1.25" (32mm) diameter 6 point servo wheel Four 2mm x 11mm phillips screws Four rubber grommets & Four metal eyelets REQUIRES: Small phillips screwdriver to mount to surface SPECS: Speed: 0.20 sec/60° @ 4.8V 0.16 sec/60° @ 6.0V Torque: 72 oz-in (5.2 kg-cm) @ 4.8V and 90 oz-in (6.5 kg-cm) @ 6V Dimensions: 1.6 x 0.8 x 1.5" (1-9/16 x 13/16 x 1-1/2") (40 x 20 x 38mm) Weight: 1.5oz (1-7/16oz) (41g) jxs 5/14/03 ir/jxs updt jxs 9/29/03 jxs 10/29/04