Pro-Fit Ledgestone is a practical way to achieve a custom look. Small-scale, low-relief stones are meticulously bundled together to form modular components of equal heights. The component pieces feature a patented interlocking mortar groove for a secure adhesion without grouted joints. 10 SF per Handi-Pak, 8 LF per Corner Handi-Pak. coverage is based on tight fitted joints. 78 Lbs. per Handi-Pak, 75 Lbs. per corner Handi-Pak. Big Boxes contain 110 Sq Ft of flats, and 100 LF of corners.