Quality for a long period of use. Head Size: 9mm/10mm/11mm/12mm/13mm/14mm/15mm/16mm/17mm/19mm. This is a set of 10 heavy duty tools to help remove nuts, bolts, screw heads, studs etc. These tools can be driven with a metric wrench or socket for quick work. Spiral cut teeth provide a positive grip for removing rounded or damaged bolts. All these tools are packed in a case for easy storage and transportation. Package Included: 1 x 10pcs/set Nut Remover Kit LRFR is committed to providing each customer with the highest standard of customer service.