These are L-Style Nylon Control Horns.
One Right & One Left Control Horn.

Features

Nylon construction

Includes

One right control horn w/4 adjusting holes and 2 mounting holes *
One left control horn w/4 adjusting holes and 2 mounting holes *
*(1-1/8" long {tall})
Two mounting plates w/2 mounting holes (5/8"x1/4")
Four 2-56x5/8" round head screws

Requires

A flat head (slotted) screwdriver

Specifications

See "includes" above