Lightweight Aluminum 4 Step Ladder Folding Step Stool Stepladders with Anti-Slip Wide Pedal Space Saving and Sturdy for Home and Kitchen Use (Black&Silver)
Amazon.com: 4mm x 200mm x 200mm 7075 T651 Aluminum Sheet Metal Plate : Industrial & Scientific
Aluminium sheet AlMg3, thickness: 4 mm, width: 400 x length: 800 mm (40 x 80 cm), cut to size. : Amazon.de: DIY & Tools