All metal design, stamping + welding + bending design process, durable, not afraid of bump. 2. 0-thick 5 - division keel design, can withstand up to 150KG of water pipe pressure. Super long water pipe receiving capacity, watering a wider range. Ingenious water outlet device design, along the arc of the reel, to avoid water pipe broken flat. Green electroplating blue zinc surface treatment, compared with the market spray paint process, rust more durable. Swing and wall type dual use, easy to move, wider use.