Parts List: Single Hole: 1 x Aluminium Profile Drilling Assistance (model B) 1 x M6 Countersunk Step Drill 1 x Limit Ring Spanner 1 x 2020 Slider OR Double Hole: 1 x Aluminium Profile Drilling Assistance (model A) 1 x M6 Countersunk Step Drill 1 x Limit Ring Spanner Highlight description: Precise Positioning: The aluminium profile punching auxiliary tool is equipped with a precise positioning system to ensure the accuracy of each hole position and improve your working efficiency Aluminium Alloy Material: The aluminium profile drilling auxiliary tool is made of CNC aluminium alloy with an anodized surface to ensure good working performance even in harsh environments Universal: The drilling auxiliary tool is suitable for different sizes of aluminium profiles (2020/2040/3030/3060 profiles), please check the specifications of your aluminium profiles before purchasing Compact and Portable: The punching auxiliary tool is compact and lightweight, easy to carry to different workplaces and convenient to transport Easy to Use: The easy-to-use design makes the manipulation simpler and faster, perfect for beginners Detailed description: Name: Aluminum Profile Punching Auxiliary Tool Model: MG0-000-0148B Material: CNC aluminium alloy/anodised Color: Black Style(optional): Single Hole, Double Hole Single-hole fixing way: Aluminium profile sliding bar locking Double-hole fixing way: handle fixing clamping Sizes: Single hole: 110x29x38mm Double hole: 120x30x50mm Single Hole: 1. Adjust the limit: such as perforated profiles 3030, 3060, the limit column will be adjusted to "30" pointing to the hole can be 2. Installation of slider: choose the appropriate slider according to the profile specifications. 3. Fixed perforation: Slide the product into the aluminium profile and tighten the brass post. Lock the brass screws and use the step drill to punch the holes. 4. Punching holes in other positions: Remove the brass post and slide the product into the aluminium profile. Punch the centre of the hole, 25mm from the top of the product, (as indicated by the marking on the product) use a ruler to confirm the position of the hole, lock and punch the hole. Double Hole: 1. Adjust the drilling sleeve: If the profile model is 3030, 3060, adjust the drilling sleeve to "30" pointing to the hole. 2. Determine the position: "L"shaped connection, the product is flush with the edge. "T"-shaped connection, in the aluminium profile marking position, the product marking line can be aligned with the marking line. 3. Fixing and punching: Tighten the handle to fix it, and use the step drill to punch the holes. Universal: The drilling auxiliary tool is suitable for different sizes of aluminium profiles (2020/2040/3030/3060 profiles), please check the specifications of your aluminium profiles before purchasing Precise Positioning: The aluminium profile punching auxiliary tool is equipped with a precise positioning system to ensure the accuracy of each hole position and improve your working efficiency Aluminium Alloy Material: The aluminium profile drilling auxiliary tool is made of CNC aluminium alloy with an anodized surface to ensure good working performance even in harsh environments Compact and Portable: The punching auxiliary tool is compact and lightweight, easy to carry to different workplaces and convenient to transport Easy to Use: The easy-to-use design makes the manipulation simpler and faster, perfect for beginners