Compatible with: Philips Norelco SERIES 8000; S8950/50, S8950/91. SERIES 9000; S9311/27 S9311/84, S9311/87, S9321/88, S9511/63, S9531/84, S9721/84, S9721/87 S9721/89 & Star Wars Special Edition: SW6700/91 & SW9700/83 Electric Shavers
Easy to replace heads ,Reset your shaver after replacing shaving heads
Replace your shaving heads in just two steps(Easy to replace heads)
Perfection In Every Pass:Our Best Shaving System On 1-3 Day Beard
Three (3) optimized replaceable shaver blades (the cutting elements)