[Product Compatibility]: SH30 replacement heads can be perfectly fit for series 3000, PT724/41, PT729/41, S738/17, S738/82, S1150/81, S1160/81, S1570, S1560/81, S3310/81, S3310/86, S3560/81, S3560/86 [Comfortable Touch]: SH30 men's electric shaving replacement head blade have an ultra-thin head, with a slot for shaving long beards, and a hole for shaving the shortest stubble. that there is no residue after shaving. The comfortcut blade system with rounded heads slides smoothly your while protecting it from nicks and cuts. [High Precision Cutting System]: Series 3000 replacement head blades for sShaver has precision cutting system. without dead ends. Gently remove your beard, painless and cleaner, the round head design perfectly protects your from scratches. [Easy to Install]: Easy to and replace a new head- just two minutes. After installation, put a drop of oil on each nozzle and run for 10 seconds to the best experience. It's recommended that you replace the shaving head 12 months to the max shave performance. Colour:silver Material:Stainless steel Package Contents: 3 * blade 1 * clean brush Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.