20' Sheeted Adjustable Alley & Alley Stop - SS-5This simple 20 alley can be used to enhance any crowding system. It also includes a SAAFC to allow for easy attachment to a squeeze chute. SS 5 20' Sheeted Adjustable Alley & Alley Stop This heavy duty 20 alley kit is a great way to add length to your Solid Sheeted Alley. The SS 5 includes a no back alley stop. With no tools, the no back Alley Stop can be easily adjusted to prevent cattle from backing out of the alley. This system is constructed with