Product name: Aluminum profile hole punch Fixing method: aluminum profile slider locking Specification: Aluminum profile punching assistant (single hole) Scope of application: Home, carpentry Application: Wood Working Tool Applicable profile: 2020/2040/3030/3060 profile Operation: 1.Adjust the limit: If punching profiles 3030, 3060, adjust the limit column to the "30" pointing hole. 2.Install the slider:Select the appropriate slider according to the profile specification. 3. Fixed punching: Slide the product into the aluminum profile, against the copper pillar.Lock the brass screws and use drill to punch holes. 4. Punch holes in other locations: Remove the copper pillar, slide the product into the aluminum profile.Punch the center, 25mm away from the top of the product,Use a ruler to confirm the punching position, lock and punch. Colour:Black Material:Aluminum Alloy Package Contents: 1 x punch auxiliary 1 x drill 1 x wrench 1 x slide bar Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.