Description APPLICATIONS: hose brush can be used for plumbing installation, soldering, copper pipes, pipes, brazing and more MATERIAL: the handle is durable and thick polystyrene, and the brush heads on both sides are stainless steel brushes with strength USAGE: The practical 4-in-1 pipe joint brush can clean the outer and inner diameter of different pipe diameters and clean pipes for a better welding experience COMFORTABLE GRIP: the pipe cleaning tools are designed with non-slip handle part, giving you a stable and comfortable grip DURABLE: the deburring brush has durability and long service life, which can resist abrasion, wear, impact, corrosion and flattening of hard brushes Description You will get 3 pipe deburring brushes, each with 2 openings and brush heads at both ends, the 2 openings in the middle can be used to clean the pipe's outer diameter, the brush heads at both ends can be used to rust away the inner diameter and clean each other between the brushes. Unfinished metal parts can be cleaned without damaging the surface or fine details. Features Pipe Cleaning Brush -Black color. -Material: polystyrene, stainless steel bristles. -Size: Total length: 20 cm/7.87 inches. Steps for use: 1. Cleaning and mounting the brush in a hand tool. 2. Remove debris from the pipe threads to prepare them for soldering and brazing. 3. Clean the inside and outside of the pipe surfaces thoroughly. Brush with a total length of 20 cm; the flushable area is the most common size: 1/2 inch, 5/8 inch, 3/4 inch and 7/8 inch pipe For metal, can clean steel parts, machinery, raw metal parts, paint stains, special corrosion without damaging the surface or its good properties, cleaning, polishing, paint removal/ rust removal, the tool that makes welding very easy can make the pipe shine again. The package contains products from NIUNIU's store