BlueBrixx Train buffer stop 2x with two straight rail tracks
LEGO Train - Buffer with shock absorber - Prellbock - MOC - YouTube
End line buffers | Lego trains, Lego technic, Lego train tracks
Amazon.com: LEGO Parts, Bricks, and Pieces - Black Train Parts Combo Pack (2 X Buffer Beam with Sealed Magnets and 2 X Train Wheel RC, Holder with 2 Black Train Wheels) : Toys & Games