If you are looking for reliable quality and reasonable welder tool bits, our products will meet your needs very well. Made with craftsmanship and scientific design, it is durable, efficient and practical, can easily improve your spot welding efficiency, and aims to bring more convenience to your work. This is a very good tool bit for spot welding machines, which will serve you well. Features -Color:Black -Material: High-speed Steel. -Size: About 7.50X0.70X0.70cm/2.95X0.28X0.28inch. -Preferred materials, , safe, durable and practical. -The workmanship is fine, the texture is good, and the application method is simple, which can provide higher work efficiency. -Professional and practical, sturdy and durable, resistant to cutting, low maintenance, and can serve you for a long time. -The spot welder drill bit attachment is very suitable for DIY welding operations and is your good choice of spot welding tools. -You can buy this professional and durable spot welder tool bit at an . Package list: 9 x Spot Welding Drills