Weights are often use by people to exercise and strengthen their muscles. Through lifting weights you can use your muscles to their optimum level and beyond allowing you to tone muscle and build muscle mass.
Weights can be used free standing and part of exercises, or as part of gym equipment and machinery. Weights provide resistence making your muscles work harder. This can help you to build muscle, tone and lose weight.
You can buy weights from many high street stores, sports shops or online. Many places will offer delivery service so that you do not need to worry about transporting the weights.