The one tool for all of your small diameter de-burring requirements Simple hand held design Ideal for preparing automotive brake, clutch & fuel pipes, A/C, refrigeration & other narrow pipes Accurately smooth out rough edges on copper, brass, steel, plastic, stainless steel pipes & also straight edges High-stretch steel cutting blades provide perfectly clean ends before you start fitting up your job Retractable internal cutting tip for both safety & to prevent damage to the blade The internal tool is also ideal for deburring straight edges