Rust-Proof and Long-Term Reliability: Designed with robust rust-proof quality, Liramera derusting needles are built for extended, long-term use, maintaining functionality over time. Precise and Standard Sizing: With accurate dimensions of Ø3mm (1/8') in diameter and 180mm (7.09") in length, the needles are perfectly sized to meet standard requirements for consistent use. Universal Compatibility: These generic scaler needles offer wide application versatility, as they are compatible with both electric needle scalers and air needle scalers. Premium Material for Durability: Constructed from high-manganese steel, these derusting needles are engineered to be shock-, ensuring long-lasting durability and reliable performance even under impact. Customer Support: Backed by reliable customer service, we are always available to address questions and provide assistance. We product quality and customer satisfaction., Weight: 0.881849048 Pounds, Manufacturer: Xnuiasqe