Description:    Compatible with the Futaba S.Bus System Servo can be easily programmed with the SBC-1 Channel Setting Tool, S.Bus receiver or PCLink software Equipped with dual ball bearings Also compatible with Futaba receivers and transmitters manufactured after 1982 INCLUDES: Futaba S9070SB Serial Bus Digital Servo with 0.83" (21mm) round horn, 1.8" (45mm) round horn, 1.2" (31.5mm) 6-point round horn, 1.5" (38.5mm) 4-point round horn, 4 each-rubber grommets, eyelets and mounting screws, instruction sheet Specs and Features Dimensions: 1-7/16 x 13/16 x 1" (1.41 x 0.77 x 0.98"),(35.9 x 19.5 x 24.9mm) Torque: 6.0V 76.4 oz-in (5.5 kg-cm),7.4V 94.5 oz-in (6.8 kg-cm) Speed: 6.0V 0.15 sec/60 Degree,7.4V 0.12 sec/60 Degree Weight: 1.13oz (32g)