The scraper is stiff bladed putty knife witha built in baby 5/8" (16mm) stud . The 0.04" (1.1mm) thin metal blade is designed for jamming into small places like a gap between a door and its frame, placed under a stack of books or between two books on a shelf, clamped to a ladder step, etc. The baby 5/8" (16mm) stud has a safety indentation for securely hanging small lighting fixtures. The re are three holes drilled into the blade designed as anchor points for mounting by screws or nails it's very handy for unusual placements.