This product is manufactured by Aldon®

Also features a "pocket" to capture wheel.

Used by the railroads to form trains in classification yards. For industrial use, skid can be used to stop 1 to 4 freight cars moving at 1 to 2 mph on flat track.

For exposed rail track. Skid will not lie flat on rail encased in pavement.

Do not use on grades

Weight 43 lbs.