[Product Compatibility]: Our SH30 replacement heads can perfectly fit for Norelco shaver 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 Close Touch]: SH30 electric shaving head has an ultra-thin head, with a hole for shaving long beards and a hole for shaving the shortest stubble. Make sure there is no residue after shaving. Comfortcut blade system with rounded profile heads glides smoothly over the skin, protecting it from cuts and nicks. [High Precision Cutting System]: 3000 Series replacement blades for Norelco shaver have a precision cutting system. 360 degrees with no dead ends. Gently remove beard, painless and cleaner, round skull shape perfectly protects your skin from scratches. [Easy to install]: Easy to take off and replace the new head - just two minutes. After installation, place a drop of oil on each nozzle and run for 10 seconds for the best experience. It is recommended to replace the shaving head every 12 months for maximum shaving efficiency. Color: silver Material: stainless steel Package contents: 3 * shaver blade 1 * cleaning brush Only the above package content, other products are not included. Note: Light reflection and different displays may cause that the color of the item in the photo will be slightly different than the real one. The measurement error is +/- 1-3cm. Shipping Time: We can ship all products within 5~8 business days