Have the same clipboard from another manufacturer at a gas station bought (Trucker Accessories). Compared this clipboard is offered here unfortunately somewhat unstable. In addition, the "Trucker" ironing board has a real groove between the two halves so that it seals very safe. Under load, the edges of the board offered here easily opened. The safe protection of content against splash and dust is not always given. Weis not who makes the other clipboard and where you can buy it, but it's much more stable. You recognize it because it is more angular. This clipboard here has round edges. A design flaw both clipboards: When contracts that thing on the handle, then "wag" the clamped blades down. This is demanding and often leads to damage and contamination of the leaves. Although it is unusual for a clipboard: With so a clipboard the terminal belongs to the lower side of the blade (the handle) or one mounted two terminals.