These two tyre levers are held together with magnets and made from engineering-grade, \'metal-replacement\' plastic. This special material means they are three times stronger than market-leading levers and, consequently, extremely difficult to break. Even so, the ML14 comes with a lifetime guarantee.Weighing just 58g, these levers are large enough to allow a good grip and strong enough to deal with the toughest, tightest tyres.ML1 (Bottom Lever):Split chain-link holders,£1 coin slot,Spoke hook (flat and round),.ML4 (Top Lever):£1 coin slot,Spoke hook (flat and round),.