Looking for chest workout equipment with lower or higher resistance to meet the diverse workout needs of your family? GBOLE has launched two sets of chest workout spring resistance accessories: 30-66lb and 110-140lb The lower resistance 30-66lb chest workout spring resistance accessories address those with smaller builds or those who have never exercised before The higher resistance 110-140lb chest workout spring resistance accessories are perfect for serious athletes who need daily muscle-building and strength training Paired with GBOLE' twister arm trainer, this truly versatile chest workout equipment is suitable for both the gym and at home GBOLE adheres to the philosophy of 'small profits but quick turnover, high quality at low prices.' Our prices are competitive for products of comparable quality, allowing you to save money without sacrificing quality! If you have any questions, please feel free to contact us. The GBOLE team is always here to help