J Concepts Aluminum Ride Height Gauge, 10-40Mm Black

This is the JConcepts Adjustable Trip Height Gauge.

FEATURES:
Steps front and rear chassis height of 1/8 and 1/10 scale RC
    cars
Laser etched with finished measurements from 10-40mm for usage with a
    range of cars
Constructed of machined billet aluminum, black in color
Easy design with two pivoting pieces and rounded employer at touch-off
    point that always satisfies chassis at proper angle

CONSISTS OF:
Adjustable Trip Height Gauge in Black
Foam-lined Plastic Latch Box

COMMENTS:
(Any special application or something it will not work with?)