1 New , *Round 2 Belt Set for the Elmo St-600 Series ,St-180 Series  This Set has,  1 Motor Belt, 1  long Round  Upper take Up Belt,   * NOTE: I also have the  Square 2 Belt Set in my Other auction ,   See what your projector has in it,  Both round and square sets will work,  Also Check my Store search Box for other Belts. thank you