Silky 391-36 SUGOI 360mm Replacement BladeSilky 391 36 SUGOI 360mm Replacement Blade Silky saws are manufactured in Ono Japan, home of the finest cutlery steel known to man. Crafting fine wood cutting saws since the early 1900s, Silky continues to raise the bar for quality, endurance and cutting efficiency that none can match. Leading the industry in both design and innovation, saw users are changing their language in all parts of the world from merely asking for a saw, to asking for a Silky.