Catalog number: GR8-210 Features: ●Ring type, so it is convenient to carry. It can be hung anywhere like a key holder. ●Hardness is HRC52-56. Specifications: ●Set contents (mm): 2, 2.5, 3, 4, 5, 6, 8, 10 ●Set contents (pieces): 8 Material/Finish: ●Chrome vanadium steel ●Surface treatment: Black dyeing
