Classic Men's Old Fashion Safety Razors Set Silver Black + 20pcs Blades1pcs metal alloy silver finish classic safety (3. 5" size): This silver safety razor works by opening the mechanism by turning twisting the knob and the entire part will come apart open, insert a new blade and then firmly close it to secure the blade. 1pcs metal alloy black finish handle classic safety (4. 25" size): The black safety razor works by the opening mechanism by twisting the bottom of the handle to open the razor head, carefully inserting a