Features: 1) Brand: TIT 2) Certificate: ISO9001 3) Material: Alloy, 20Cr, GCr15. 4) Surface Hardness: 58-64 HRC. 5) Inner Hardness: 25-45 HRC. 6) Packing: packed with plastic bags and boxes. 7) OEM is available, can be produced as customers' design and samples. Box with carton.
