These are T-Style Nylon Control Horns.

Features

Nylon construction

Includes

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

Requires

A flat head (slotted) screwdriver

Specifications

See "includes" above