1. It's a standard razor blade, and it suits for all 3 blades holder.
<br />2. It's made of stainless steel, more durable, smooth. 3. Package Include: 1 holder + 30 pieces razor blade<p> <b><b><img src="https://contestimg.wish.com/api/webimage/57551f0461e2dc60a3a3e3ae-original.jpg"><img src="https://contestimg.wish.com/api/webimage/57551f0461e2dc60a3a3e3ae-1-original.jpg"><img src="https://contestimg.wish.com/api/webimage/57551f0461e2dc60a3a3e3ae-2-original.jpg"><img src="https://contestimg.wish.com/api/webimage/57551f0461e2dc60a3a3e3ae-3-original.jpg"><img src="https://contestimg.wish.com/api/webimage/57551f0461e2dc60a3a3e3ae-4-original.jpg></b></b></p>