DO NOT BUY THESE MINE WERE FROM "MK1 ENTERPRISES" GOOD FEEDBACK AND ALL LOOKED GENUINE WHEN I RECEIVED THEM ONLY WHEN I USED THEM THEY WERE SO PAINFUL AND SEEMED TO JUST DRAG THE STUBBLE OFF YOUR FACE. I WAS SILLY AND LEFT GOOD FEEDBACK ONCE RECEIVED AND OPENED NOW I NO TO TEST FIRST. AVOID RAZOR BLADES ON EBAY GO TO THE HIGHSTREET, YOU GET WHAT YOU PAY FOR.