* 150lbs resistance alloy springs. Duration of Every spring: 14-inches. * Every Maintain dimension: L 4.7″ x W4″. Black grips. * The 5 lengthy springs may also be assembled and disassembled in step with private prefer * Newbie can first make a choice to a few spring coaching, after which steadily build up in step with their bodily potential. * Easiest for strengthening griping energy and increasing chest.