description:<br /> <br /> 10 piece set damaged bolt remover nut <br /><br /> item specifics:<br /> ●spiral cut teeth provide a positive grip to remove rounded or damaged bolts. <br /> ●can also be used on screw heads and studs<br /> ●will fit heads sized 9， 10， 11， 12， 13， 14， 15， 16， 17 and 19mm. <br /> ●can be driven with a metric spanner or socket.<br /> ●storage case included.<br /> material: alloy<br /> color: black<br /> （1cm=0.39inches）<br /><br /> package included:<br /> 1 set(10pcs) damaged bolt remover nut<br /><br /> note:<br /> 1.please allow 1-3cm error due to manual measurement. please make sure you do not mind before you bid.<br /> 2.the colors may have different as the difference display， please understand.