These are two Dubro Heavy Duty Adjustable Control Horns
for .40-.91 and larger size aircraft.
FEATURES
Self-adjusting, designed to mount 90° to center line of control surface
Mounts against angled control surface using no wedges or shims
INCLUDES
Two 3mm x 63mm mounting screws
Two 8mm nuts
Two 1" (25mm) nylon horns
Two nylon links with two securing pins built in
Eight aluminum spacers
REQUIREMENTS
3/32 hex head wrench for mounting screws