Description: Versatile: Nuts Screw Remover Set is designed to handle damaged, worn nuts and bolts, and can easily handle a variety of hard to tighten fasteners.Material: Threading Tool Kit is made of high hardness chrome molybdenum steel to ensure the durability and strength of the tool. The opposite spiral groove design provides a strong force to effectively clamp and remove damaged nuts.Special internal thread design: Nuts Screw Socket Sleeve Sets internal thread design making it easy to rotate deep nailsConcave wall design: Nuts Screw Socket Sleeve Sets internal rough concave wall design helps to firmly grasp stubborn nuts, and the gripping force increases with the number of rotationsBeautiful appearance: Nuts Screw Socket Sleeve Sets surface has been treated, which not only improves the appearance, but also enhances the tool's performance and durability. Specification: Material: Chrome Molybdenum Steel Size Chart: Shell Packaging 15cmx11cmx4cm/5.91inchx4.33inchx1.57inch Package Includes: 1 Nuts Screw Remover Set (11pcs) Note: Please allow slightly errors due to manual measurement and different monitors.