CS-21 Comfort Stalls CS-21 COMFORT STALL WITH DIVIDER CONTROL CS-21 Super Economy Stall with divider control is constructed of our heavy duty tensile strength 1 5/8" 10 gauge triple coated galvanized steel. They come standard with a rigid polyethylene rust shield and 20" solid shaft in triple bend divider. Note: Solid shaft in front post is optional. CS-21 Economy Comfort Stalls with divider control and triple bend divider, includes 4' top rail, top rail clamp, stall chain with push in snap, stall chain clamp, and 20" solid shaft in triple bend divider. CS-21-D stalls come with divider control and double bend divider. Also includes 4' top rail, top rail clamp, stall chain with push in snap, stall chain clamp, 4" column clamp, and 20" solid shaft in triple bend divider.