2wd Smart Car Chassis 1.5mm Aluminum Alloy Chassis (แบบแผ่นเรียบ) More info Material: 1.5MM aluminum plate Can form a layer, two-tier, three-tier car. Used in smart cars, Arduino cars, four-wheel drive robot parts Name: Smart car chassis Material: aluminum Net weight: 43.0g Size: length 140mm * width 110mm * thickness 1.5mm