Description: High Performance: Hole drilling assistant set is specially designed to create accurate M6 holes on various aluminum , and can clamp 0to63mmPremium Material: Hole drilling assistant set is made of quality aluminum alloy and has a double hole design, which can significantly improve your work efficiency without professional skillsVersatile: Whether you are engaged in custom furniture, frame construction, or any project involving 2020 or 2040 or 3030 or 3060 or 4040 aluminum , this tool is a must have tool for accurate and reliable drillingPractical Tool: Hole drilling assistant set simplifies your daily work in the workshop and ensures consistent results and professional completion of all metal processing projectsWide Application: Hole drilling assistant set is suitable for DIY enthusiasts, home and construction workers who often engage in aluminum profile stamping tasks Specification: Material: Aluminum AlloyProduct Size: 120 mmx30 mm Package Includes: 1 Hole Drilling Assistant Set Note: Please allow slightly errors 1to2cm differences due to manual measurement.