Product :high precision steel balls Material:bearing steel GCR15 Rating: G10 Diameter: 2.361mm,2.369mm,2.371mm,2.373mm,2.375mm,2.377mm,2.379mm,2.385mm,2.389mm,2.393mm, Tolerance: ±0.02mm, Hardness: HRC >60 Features: excessive hardness, put on resistance, comfortable surface, good roundness, difficult to rust. Application: Widely utilized in high-speed bottom noise bearings, motors, hardware, wrought iron, machinery parts, bicycles, motorcycles, automobiles, precision instruments, medical equipment, fishing gear, toys, rails, universal ball, luggage, electronics industry, also Can be used as a grinding media. Commonly utilized in precision package akin to ball screw, slider guide, linear bearing. Remarks: If you have particular needs, please touch us, we can customise in step with your needs! Package Include: According on your Choose x 1