An exercise machine may include a support frame with a first and second column; a plurality of guide members movably mounted along both columns; and at least one attachment detachably mounted onto either column, thereby securing the at least one attachment to the support frame. The at least one attachment may include a first portion; a second portion extending from the first portion; and a locking mechanism extending from the second portion. The locking mechanism may include at least one stationary locking pin received by either column; and a movable locking pin configured to be received by either column. The at least one attachment is detachably mounted onto either column simultaneously with the plurality of guide members, and at least one of the plurality of guide members positions an operative portion of a weight arrangement at a location along the support frame.