Achieve clean and bright teeth with diamond-shaped bristles. - Model: BM678w - Compatibility: Philips Sonicare toothbrush handle - Pack Size: 8 pack - Bristle Type: Diamond shape bristles - Whitening: Yes - Softness: Medium - Multi-level Cut: Yes - Compact Size: Yes Thank you for viewing. I accidentally purchased these. Would anyone like them? I opened the box, but they are unused. Thank you.