Are the clipper blades curved or straight? I need those with straight cut, not curved... thanks!

The tip is curved down a bit to get into corners. Very well made, sturdy and sharp. I had no problem cutting my nails with them. I also cut straight across which these easily do. I sometimes have sharp pieces at the corners which these handle nicely. Hope this answers your question.

We are a US-based company, but we have our products manufactured in China to our exact specifications. We would like to be able to manufacture domestically, but it is too cost-prohibitive. We take pride in our products and try to always use higher quality materials than our competitors in all of our products. In this case, we use 314L stainless steel. We also offer a lifetime warranty on all of our products.

Can they be sharpened?

Someone said they never need to be sharpened. Any sharp edge eventually looses its edge depending on use. As for your question.. 'can they be sharpened?'..... again any edge can be sharpened with the correct tool/stone/file and know how. If you are unable to you should be able to find someone who can. Sharpening even with acurved surface isn't difficultwith confidence and a bit of practise