This is a set of 10 pieces sturdy tools to help remove nuts, bolts, screw heads, studs, etc.It fits heads sized 9, 10, 11, 12, 13, 14, 15, 16, 17 and 19mm.Spiral cut teeth provide a positive grip to remove rounded or damaged bolts.Made of hard alloy, they are of strong strength and long durability.These tools can be driven with a metric spanner or socket for fast work.All these tools are packed in a case for easy storage and transportation. Item Name: Nut Remover ToolQuantity: 10Pcs/SetMaterial: Chromed Vanadium Alloy SteelFeatures: Durable, Easy to Use, High StrengthBox Size: 17.2cm x 7.9cm x 3.5cm/6.77" x 3.11" x 1.38" (Approx.) Notes:Due to the light and screen setting difference, the items color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement. Package Includes:10 x Nut Remover Tool