I bought them together with the Merkur 34C razor. This turned out to be the perfect combination as it is very smooth and comfortable with no scratches, cuts or burns. I've used this first blade twice in a 34C and once in a 1968 Gillette Slim Adjustable, both with excellent results. I'm going to try for the fourth time today, but I'm not sure which straight razor I'm going to use; maybe my 1951 Gillette Super Speed. I think this pack of 100 blades will last a long time and now I won't try other blades.
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