*The side with lock button design to lock tape tightly,and unlock more conveniently;
*Locking device can be controlled by thumb;
*Tape thickens 30%,with surface embossing technology,straightness can get into 2.3m |(width 25mm);
*Steel tape has beenheat treated,with wear-resisting coating,working life extends more than 10 times;
*Special magnetic hook with three nails let measurement be preciser.the hook's thickness can return into zero automatically;
*Buffer device makes the hook be stronger,High quality heavy-duty spring is more durable,the hook can exceed in the extension.