The LCN 4011-REG LH AL DEL Surface Closer is a heavy-duty door closer made of aluminum, suitable for commercial use. It features a silver color and universal mounting capabilities, making it easy to install on various types of doors. The model number LCN 4040XP-CUSH AL indicates the specific design of this door closer from the trusted brand LCN. This product is sold individually and includes free shipping, providing a convenient solution for businesses looking to upgrade their door hardware.