3 Packs in 1 set: you will get 3 packs of shaver replacement heads, nice replacement heads to use or replace your old ones in daily life, please note that this is a compatible spare part Compatible with: SH30 replacement heads are compatible with Philips Shavers Series 1000, 2000, 3000 shavers, S738 Click and Style; Please check the model of your shaver models before purchasing, you should know the SH30 replacement head isn't compatible with Philips Aquatec Series 360 Degree design: designed with 360 degrees without dead ends, this SH30 replacement blades with round head can well protect your skin from scratching and remove your unwanted part, do a fast work for you Easy to replace: these shaver replacement heads are easy to install, after installation, place a tiny drop of oil on each head and run for 10 seconds, helping to ensure it properly-running; It's recommended that replace shaving heads every 12 months for nice performance 9 Pointed blade: each SH30 replacement head contains 9 pointed blades inside the head, the pointed design makes a efficient work, your beard can disappear without a trace, and you can look well; These heads are washable, you can clean them after shaving or brush them with a cleaning brush