APPLICATIONS: tubing brush can be used for plumbing Installation, soldering, copper pipes, tubes, brazing, and more MATERIAL: the handle is durable and thick polystyrene, and the brush heads on both sides are stainless steel bristles with strength USAGE: The convenient 4-in-1 pipe joint brush can clean the outer and inner diameters of various pipe diameters and clean pipes for a better welding experience COMFORTABLE GRIP: the pipe cleaner tools are designed with non-slip handle part, provide you a firm and comfortable grip DURABLE: deburring brush has durability and long service life, which can resist wear, tear, impact, corrosion and flattening of hard bristles Description You will receive 3 pipe deburring brushes, each with 2 apertures and brush heads at both ends, the 2 apertures in the middle can be applied to clean the outer diameter of the pipe, the brush heads at both ends can be applied to derust the inner diameter and clean each other between the brushes. Unfinished metal parts can be cleaned without damaging the surface or fine features. Features Pipe cleaner brush -Color: Black. -Material: Polystyrene, Stainless steel bristles. -Size: Total length: 20 cm/7.87 inch. Steps for usage: 1. Cleaning and fitting brush into one hand tool. 2. Remove debris from pipe thread to prep them for soldering and brazing. 3. Thoroughly clean the inside and outside of pipe surfaces. 4 In 1 soldering brush with a total length of 8 inches/ 20 cm, with 5 inch/ 12.5 cm non-slip finger grip, height is 0.87 inch/ 2.2 cm, large hole diameter is 0.8 inch/ 2 cm, small hole size is 0.6 inch/ 1.5 cm; the rinsable range is the most common size: 1/2 inch, 5/8 inch, 3/4 inch and 7/8 inch tubes For metal, can clean steel parts, machinery, unprocessed metal parts, paint stains, special corrosion without damaging the surface or its good characteristics, cleaning, polishing, paint removal/ rust removal, the tool which makes welding very easy can bring the pipe to shine again. Package Including 3 * Pipe cleaner brush