★ 14 PCS Screw Extractor Set - Spiral Screw Extractor:1#, 2#, 3#, 4#, 5#, 6#. Cobalt Left Hand Drill Bits Set: 1/8", 5/32", 3/16",1/4", 19/64", 3/8". Besides, there is an extra 1/4" adapter to extend the drill interface. And a Tungsten Carbide Tip Scriber Pen which is an ideal tool for hardened materials cutting, such as metal sheet/Glass/Ceramics/wood, etc ★ Tungsten carbide Tip Scriber Pen-Precision Marking, our scribe tool set makes marking on wood, glass, metal, stone, plastic, and other surfaces a breeze, leaving accurate and sharp marks that are easy to see. ★ Durability - Made of impact-resistant 4341/6542 HSS steel, screw extractor made of high-quality cr-mo steel, which increases durability and service life. It's built to last and is designed to be harder, tougher, and easier to drill, greatly increasing service life. Also, comes with a storage tool box to ensure you will not lose any one of them. What's more, you can take it anywhere with you. ★ Easy to Use - Simple steps to remove all stuck screws or bolts in a few seconds. Step One to choose a smaller than the damaged screw, Step Two to use the same size extractor to take out reversely use your electric hand drills in low speed avoid getting hurt. ★ UYECOVE Service - If the product has quality problems, we can replace or refund it. If you have any product issues, we're very happy to help you solve the problem within 24 hours. 14 Pieces Screw Extractor Set Material: Made of impact-resistant 6542/4341 HSS steel material which increases durability and service life. With a solid storage case, you can take it to any corner of the world, and against lost screw extractors. Broken bolt extractor kit are used to remove stuck, broken or screwed tools. Easily removes damaged screws, studs, bolts and other accessories. Made of impact-resistant 6542/4341 HSS steel material which increases durability and service life. With a solid storage case, you can take it to any corner of the world, and against lost screw extractors. Broken bolt extractor kit are used to remove stuck, broken or screwed tools. Easily removes damaged screws, studs, bolts and other accessories.