APPLICATION - This damaged nut remover with corrosion protection are designed for the removal of damaged bolts, screws and nuts. FEATURES - 100% new and high quality. Spiral cut teeth provide positive grip, remove circular or damaged bolts. Can be driven with a metric spanner or socket. Also be used on screw heads and studs. Remove the nut is 13 sets of different sizes suitable for damaged, rusted nut , this is taken as unscrew screws, nuts and the most important conducting stabilization . size: 6-19mm Material:Chrome vanadium steel colour:Black + blue Package Contents: 13 * Nut Remover 1 * box Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.