Stackable carrying case design to hold Husqvarna chain saws from model 136 up to and including the 372XP and 576XP as well as securely holding filing equipment, filing vise, scrench, spark plug, 2-Stroke oil, Bar & Chain oil and Operator's Manual. HDPE (High Density Polyethylene) Double wall construction. "Husky leash" system for a secure fit and to protect the saw.