Feature: 1. STRONG VERSATILITY: Aluminum profile drill guide is suitable for different specifications of aluminum profiles(20mm, 30mm, 40mm), and compatible with national standard, European standard aluminum profile series to meet diverse needs 2. ACCURATE POSITION: Aluminum profile drill guide set is equipped with accurate position system to ensure the accuracy of each hole position and greatly improve work efficiency 3. EASY TO OPERATE: Aluminum profile drill guide kit uses humanized design to make the operating easier and faster, even beginners can quickly get started 4. LONG LASTING: Aluminum profile drill jig is made of quality materials and specially treated to ensure good working performance in harsh environments 5. PORTABLE DESIGN: Aluminum extrusion profile drill guide is small and lightweight, easy to carry to different workplaces, reducing the transportation burden Specification: Item Type: Aluminum Profile Drill Guide Material: Aluminum alloy Fixing Method: Aluminum profile slide lock Application: For 2020, 2040, 3030, 3060 aluminum profiles Suitable Range: Woodworking tools. Package List: 1 x Aluminum Profile Punch Auxiliary Device 1 x M6 Countersunk Step Drill 1 x Slider 1 x Limiting Ring Wrench