Circular Shearing Knife

I want to purchase 20 pcs circular searing knife. specification given belo:
sl.no description unit quantity
circular shearing knife, id=220 mm, od= 380 mm, thick = 25 mm, material: skd-11 (tool steel). hardness: hrc 58 ± 1. used for: slit of steel strips from 2mm to 4mm thickness for mild steel pipe manufacturing plant. country: japan/germany. drawing no.: 03w025. pcs 12
(twelve)