I MO-1 – 54 in. mast with fold-over at sedan roof line 15 in. above the base for hood, fender or trunk mount, natural finish
MO-2 – 54 in. mast with fold-over at 27 in. above the base for bumper and hitch level mount, natural finish
MO-3 – 54 in. mast with no fold-over, white vinyl covered, ideal for marine applications
MO-4 – 22 in. short mast for truck top, white vinyl covered, including three longer stainless steel whips to allow each Hustler resonator used to properly tune.