Durability and Protection: Each needle is coated with rust-proof oil to prevent , extending the lifespan of the needles even under rigorous use conditions. your tool performs optimally over time with these robust needles. Applications: Ideal for removing rust, paint, welding slag, and other deposits. These needles are compatible with air needle scalers and are essential tools for automotive, ship maintenance, construction sites, and general home repair. Design and Efficiency: Featuring a flat head design, these descaling needles distribute force evenly, preventing damage to the work . This design also increases the cleaning area, ensuring thorough rust and paint removal from various surfaces. Size and Material: Each needle measures 3mm in diameter and 7 inches in length, crafted from high-hardness manganese steel (HRC45-50). This material ensures superior durability and resistance to wear, maintaining its shape under friction and abrasion for enhanced work efficiency. Compatibility Note: Please verify the dimensions (3mm x 180mm) before purchase to compatibility with your pneumatic rust remover. These needles are designed to fit most standard air needle scalers., Weight: 1.1100054429438 Pounds, Manufacturer: Wesafrae