SWB MFG "Double-Loc" Half Arm - 1.5"

Don't be fooled by cheap imitations!  SWB’s are the original high quality "Double-Loc" Servo Arm           

Holes are threaded for 4/40

Not only designed to clamp around the output shaft, but they also make up for any inconsistencies in the output shaft sizes

Half arms are measured from the servo screw hole to the outside hole

Full arms are measured from the servo screw hole to the outside hole, 2X Example” 1-1/4 Full arms are 2-1/2” from outside hole to outside hole

Hole spacing: 1-1/2" & 2' Half arms .25 (1/4") 1-1/4", 1-1/2" and 2.25 Full arms .25 (1/4")

Offset arms are designed to be used with a rudder horn of that length and crossing the wires Example:  3” offset arm is to be used with a 3” rudder horn