Set of 4 pastel-colored mechanical pencils, perfect for everyday use. - Colors: Pink, Mint, White, Yellow - Quantity: Set of 4 - Design: Slim body - Uses: Everyday use, stationery collection I have used these, but they are still in good condition. They work perfectly fine! There's no marking, but I believe the lead size is 0.5mm (*^^*) Thank you for looking.