Specification Brand : HARFINGTON BulletPoint1 : Size - Rod Diameter: 3mm / 0.12"; Head Diameter: 5mm / 0.20"; Total Length: 180mm / 7"; Style: Pneumatic Rust Remover Steel Needle; Package Content: 20pcs Descaling Needles. BulletPoint2 : Material - Made of manganese steel material, with a high hardness of HRC45-50 after heat treatment, stronger wear resistance, not easily deformed during friction and abrasion, maintaining stable shape to improve work efficiency. Coated with rust-proof oil on the surface, effectively preventing rusting and extending the service life. BulletPoint3 : Feature - The flat head design of the rust removal needle applies force more evenly, avoiding excessive local cleaning or ruin to the object being cleaned; it covers a larger cleaning area, ensuring that every area is fully cleaned, thereby improving the rust removal effect. BulletPoint4 : Application - Rust removal needles are used to remove various surface deposits such as rust, welding slag, coatings, etc., and are suitable for air needle rust removal machines. They are used in mechanical processing, automobile maintenance, ship maintenance, home maintenance, construction sites, and other places. BulletPoint5 : Note - Please check the dimensions carefully before purchasing to ensure that the pneumatic rust remover needle can match your rust remover and meet your cleaning needs. Color : One Color ExternallyAssignedProductIdentifier : 7651368180304 ItemName : HARFINGTON 20pcs Descaling Needles 3mm x 7" Manganese Steel Replacement Needles for Needle Scaler Air Needle Scaler Fittings Flat Point for Removing Rust Paint Weld Slag ItemPackageDimensions_Height : 0.59 inches ItemPackageDimensions_Length : 12.2 inches ItemPackageDimensions_Width : 1.97 inches ItemPackageQuantity : 1 ItemTypeKeyword : gas-welding-accessories Manufacturer : HARFINGTON Material : Manganese Steel ModelName : 3mm x 7" ModelNumber : WSILPZQZY NumberOfItems : 20 PartNumber : hta241204hh000182 ProductDescription : Made of manganese steel, the hardness reaches HRC45-50 after heat treatment, which is more wear-resistant, not easy to deform due to friction and wear, maintains a stable shape, and improves work efficiency; the surface is coated with anti-rust oil to extend the service life and appearance effectively. The flat head design of the rust removal needle applies force more evenly, avoiding excessive local cleaning or ruin to the object being cleaned; it covers a larger cleaning area, ensuring that every area is fully cleaned, thereby improving the rust removal effect. Rust removal needles are used to remove various surface deposits such as rust, welding slag, coatings, etc., and are suitable for air needle rust removal machines. They are used in mechanical processing, automobile maintenance, ship maintenance, home maintenance, construction sites, and other places. Please check the dimensions carefully before purchasing to ensure that the pneumatic rust remover needle can match your rust remover and meet your cleaning needs.