Features: Brand new and high quality Use this set of bolt extractor to handle, broken, peeling and damaged screws and bolts. These extractors will help you efficiently remove the hardest broken fasteners. Hex Head is made of high hardness steel at high temperature, which is wear-resistant, corrosion-resistant, durable and not easy to deform. Providing additional grip and faster threading speed. The grooves is embedded in itself to increase traction and reduce resistance. Packed in a durable and convenient box for easy storage and carrying. It is widely used in car repair, garage, home renovation, etc. When handling broken or screws, always use the correct extractor drill. The kit has 1/8 "to 7/8" extractors, each with lasers etching marks for easy identification. Specifications: Material:Chrome Molybdenum Steel Type:10Pcs/25Pcs Screw Removal Ranges: 3.2-10.3mm Package Includes: 1 Set Screw Extractor note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.