Use when you need to quickly align a door in the jam; replaces the commonly used cardboard; also ideal for the steel doors, jambs and fire doors commonly found in hotels, offices and modern commercial buildings; each shim can fold together for 1/16", 1/8" or 3/16" of a door adjustment; made of high-impact plastic and will not compress. Load bearing up to 8000 lbs.

WARNING: This product is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.