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I've sure noticed that the dull grey ones that come in dispensers are awful. We buy our blades from McMaster (I THINK it's this number; sorry, haven't ordered them in a few years 35435A83). We purchase the 100 pack WITHOUT the dispenser. They come in a blue plastic carton. The blades themselves appear to have a tempered "blue steel" sidewall on the blades, and they're longer and narrower than the dull grey blades that come in dispensers. These are what we use for weeding acrylic mask. I haven't had to buy any new ones in a year or so, so I can't say for certain that they haven't torpedoed the quality on this particular style as well. |