The Razor Pen is an ideal tool for design or cleanup around hair, beard and eyebrows. Kit includes box that contains: Razor Pen (stainless steel), small tweezers and 10 replacement blades.
Image #1 of product shows simple installation of blade.
USE CAUTION - FOR PROFESSIONAL USE
Just need replacement blades? They are available here: https://atlantabarber.com/razor-pen-replacement-blades/?ctk=b1f122c9-f1c3-42eb-8e0c-f0f44453ef58