This product is larger than the previous product. (More than 20%). With side edge D-cutting process, so looks good design. Added some build-in gauge, Body pin stay compartment, (Help to measure the length and diameter of screw, Body pin compartment`s opposite side have magnetic). Various connector size's holes is help to easy and safe working, (2mm, 2.2mm, 2.5mm, 3mm, 4mm, 5mm). When you assemble or maintenance your car, easy to find screw size. After driving, Place the body pin on the tray, (Magnet is Located at opposite side of Bodypin compartment). Don`t lose your body pin anymore. Luxury Aluminum Part Tray 3 has smart phone compartment (height : 10mm, width : 10m). You can put your Iphone at smartphone section (with jelly case) or similar size smartphones. 4 rubber mount included.