Wood Spiral Drill Bits 6-14 x 300 mm, 6-piece set (6, 8, 10, 12, 13, 14 mm) are a practical solution for welding professionals. Made of durable materials, these covers protect the helmet lens from scratches and dirt, ensuring long-lasting use. Standard dimensions of 108 x 90 x 1 mm ensure compatibility with most helmets available on the market. The product is easy to install and reliable in all working conditions. Ideal for professionals who value safety and comfort.