Wilkinson Sword Classic Double Edge Safety Razor Blades provide an exceptionally close, smooth shave at an excellent value. 47mm Blades made from 100% stainless steel. Compatible with all standard double edge razors. Value for money in the long run, cost effective blades. This pack includes x10 blade refills. Preparation and Usage: Carefully unwrap paper from the blades and remove the blade from the paper by holding the short straight sides. Load the blade onto the handle. For safety store used blades in back of dispenser.