Lightweight & slim. Key adjustable Japanese tension system. Removable finger rest. Available in 4.5", 5.0" or 5.5" models SUS440C Japanese steel 59-61 hardness rating Hollow ground advanced heat treated blades for smooth, precise cutting Convex edges for professional use Scissor oil supplied Multi-key adjuster supplied Please Note: This item may take up to 4 or 5 working days to be delivered. (Unavailable for next day delivery)