The Hand Crain 499 Carpet Stretcher Tool is an efficient and reliable tool designed for professional carpet installation and adjustments. It comes with a Crain #501 auto lock tube, which guarantees secure stretching and ensures there's no loss of tension during carpet installation. The crain #501 is a key feature for its fast, reliable, and precise carpet installation, making any job easier and more effective. 

The tool is housed in a large black case, providing a convenient and organized way to carry and store it. However, it should be noted that the case does not close entirely which might be a consideration while transporting. Despite this, the tool is robust, durable, and built to withstand heavy-duty use in various work situations. It is an excellent investment for any professional carpet installer, ensuring an accurate and neat finish. This Hand Crain 499 Carpet Stretcher Tool provides superior performance that stands out in the industry.