Upgrade your drilling capabilities with this versatile step drill bit set from Quintathletic. The set features high carbon steel construction with chrome plating for enhanced durability and performance. These pagoda-style step drill bits come with three different size ranges (4-12mm, 4-20mm, and 4-32mm) and include specialized bits for precise drilling. The 4-flute spiral design ensures clean, efficient cutting while the hex shank provides secure tool holding. Perfect for working with PVC and PPR pipes, these drill bits feature a 60-degree cutting angle for optimal performance. The triangular handle design offers improved grip and control during use. The set comes in a compact case measuring 5 inches long by 3 inches wide by 2.5 inches high for convenient storage and transport. Each bit is engineered for accuracy and consistency, making this set ideal for both professional contractors and DIY enthusiasts working on various drilling applications.