"THREE 235 LB. STACKS START WITH 2.5 LB. PLATES;FOURTH STACK FEATURES BACKREST PAD AND 1:1 PULLEY RATIO FOR TRICEP PUSHDOWNS;3,000 LB. TENSILE STRENGTH CORDS;SNAP LOCK HOUSING DESIGN PREVENTS THEFT LOSS;ACCESSORY STORAGE RACK ON EACH TOWER;COMES WITH COMPLIMENTARY ACCESSORIES"