Product includes 6 Pack SH30 Shaver Replacement Blades. Norelco SH30 Replacement Heads Precision Cutting System. TIPS: After installation, place a tiny drop of baby oil on each heads and allow shaver to run for 10 seconds. These steps will help to ensure your shaver works properly and smoothly running. Recommending to replace SH30 Shaving Heads every 12 Months for Best Performance. Work with various Philips Shavers Models. Norelco SH30 shaver Replacement Heads suitable for Philips Series 1000, 2000, 3000 shavers and S738 Click and Style. 360 Degrees without Dead Ends. Remove your beard gently, painlessly and more clean, round head design perfectly protect your skin from scratching. Non-Original OEM Philips Norelco SH30 Replacement Heads, this a high quality replacement for a fraction of the price.