This Putty Knife with 1.5" wide Blade and 5/8" Baby Pin is designed to provide you with a quick mounting solution for your accessories that have a 5/8" baby receiver. You can use this putty knife by sliding it through the small space between the top of a door and the door sill, between a couple of bookshelves or a variety of other tight spaces where you will need to have a 5/8" mounting solution.