This is a set of 10 sturdy tools designed to remove nuts, bolts, screw heads, studs, and similar fasteners. Compatible with head sizes of 9, 10, 11, 12, 13, 14, 15, 16, 17, and 19mm. Spiral cut teeth provide a secure grip for removing rounded or damaged bolts. Made from chrome vanadium alloy steel for high strength and durability. Tools can be used with a metric wrench or socket for efficient operation. All pieces are stored in a compact case for convenient organization and portability. Item Name: Nut Remover Tool Quantity: 10 Pieces per Set Material: Chrome Vanadium Alloy Steel Features: Durable, Easy to Use, High Strength Box Dimensions: 17.2cm x 7.9cm x 3.5cm / 6.77" x 3.11" x 1.38" (Approximate) Note: Due to lighting and screen setting variations, the actual item color may differ slightly from images. Slight dimensional variations may occur due to manual measurement. Package Includes: 10 x Nut Remover Tool