Philips HQ56/50 Shaving Heads (3 Pack) : Beauty & Personal Care - Amazon.com
Amazon.com: Vollco Sharpening Heads VSH-2 Black - Sharpens All Philips Norelco Shavers Using These Replacement Heads: HQ-167, HQ-177, HQ-5, HQ-55, HQ-56, HQ-6 HQ-7, HQ-8, SH-30 and SH-50 : Beauty & Personal Care