These are 1/8" x 1/4" Motor Brushes.

FEATURES: This package contains the direct replacement motor brushes that comes
            included w/All of the AstroFlight TOP FUEL and PULLMASTER motors.
          It has a soft compound with a slotted face, a strong brush
            spring, and large shunt wire. With care these brushes can be
            used over 100 times.

INCLUDES: Two Brushes with the Springs.
                                                                    AXY 6/28/93
                                                                          ir/jl