[Product Compatibility]: SH30 replacement heads are compatible with Series 3000, PT724/41, PT729/41, S738/17, S738/82, S1150/81, S1160/81, S1570, S1560/81, S3310/81, S3310/86, S3560/81, and S3560/86 shavers. [Comfortable Touch]: The SH30 men's electric shaver replacement head features an ultra-thin design with slots for long beards and holes for short stubble, helping ensure a clean shave with no residue. The ComfortCut blade system with rounded edges glides smoothly over the skin, helping protect against nicks and cuts. [High Precision Cutting System]: The Series 3000 replacement head includes a precision cutting system without dead zones. It gently removes beard hair for a smooth, comfortable shave. The rounded head design helps prevent scratches. [Easy to Install]: Replacement takes only minutes. After installing, apply a drop of oil to each nozzle and run the shaver for 10 seconds to optimize performance. It is recommended to replace the shaving head every 12 months for best results. Color: Silver Material: Stainless Steel Package Contents: 3 x Blade, 1 x Cleaning Brush Note: Light reflection and differences in display screens may cause slight variations in color. Measurement may vary by +/- 1-3 cm.