4PCS Replacement Toothbrush Heads For Oral-B SR32-4 S15 S26 3714 3715 3716 3722 Crest S311 S411 Brush Heads Nozzles Specifications:Type: Toothbrushes Head Model: S32-4 Material: POM Plastics Nylon 612 304 Stainless Steel Product name:Replacement Tooth Brush Heads Package included: 4pcs brush heads as photo Age Group: AdultsS32-4 Suitable for following toothbrushes:S26 S15 3714 3715 3716 3722 3746 Packing: 4pcs black toothbrushes