1. Material: 45#carbon steel, 40CRV
2. Surface treatment: Chrome plated mirror polish/matte finish/satin finish/Ni-Fe alloy plated.
3. Size: 10/11/13/15/17/19mm
4. Package: Double blister card packing.
5. Payment: L/C, T/T.
6. Delivery: In 30-45 days or according to your order quantity