l neces-sary exercise, both the strong and weak, as theweights are so regulated that 2, 4, 8, 12. 16, or 20lbs. can be used. The weights can be quickly andeasily changed by using a small slide that goes onfront of the box. There is a rubber bed located onthe floor which keeps the boxes from making… … WRIGHT & DITSONS SPRING PULLEY APPARATUS
Sporting goods · Trade catalogs -- Sporting goods
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