These blades fit into any double edge safety razor. 
Superb quality blades made with a triple coating process; chromium to resist corrosion, ceramic for added durability, and PTFE for less irritation. The result is a blade that maintains its edge even longer than stainless steel for an incredibly smooth, close, and comfortable shave. 

20 Packets of 5  100 Blades

Made in Solingen Germany.