Three sets of floating head, than double head, to increase 1/3 of the shaving area, head touch, flexible face, can adapt to different face, easily travel around the mouth, face frequency, chin, sideburns and other parts, and by shaving quickly, no need to shave back and forth repeatedly. Head assembly and body for split design, cleaning head cover can be pulled out from the whole to rinse the tap, wash and dry inserted back into the body, simple and easy operation. The head adopts automatic grinding process, precise fit, The open blade automatically grinds so the head still maintains a sharp, long-lasting edge. The skin-friendly design of this replacement head allows for a skin-friendly and comfortable shave. For maximum performance, replace blades 6 months Features: 3D Float Tripe Blade Style: Use Condition: Dry and Wet Cleaning : The cutting head can be washed For models: For BlackStone 3 Color: Black Material: Metal Package content: 2 x Replacement head Only the above package content, others are not included. Note: Light reflection and different displays may cause the color of the item to be a little other than real. The measurement error is +/- 1-3cm.