MO2-adj standoff 12FT,bz-The adjustable standoffâs cable virtually disappears for a clean and elegant look. It is best used on fairly straight runs with a drop greater than 6". A wire grip allows you to easily shorten or lengthen the cable to size it for use. Standard with 12' of field-cuttable suspension cable; may also be specified with 30' of cable. Use standoff supports every three feet of Two-Circuit MonoRail run and at corners. Standoffs can be positioned to cover points where rails are joined.