Compatible with following models: these HQ4 shaver replacement heads are compatible with for Heads 4__X, 5__X, 6__X, 8__X, 9__X, 3__X, series and other models 360 Degrees shaving experience: our replacement heads for shavers are equipped with 360 degrees design, which can care about most dead ends, the head is in round shape, can gently shave, not scratch your face or remove the unwanted parts, efficient and have good effects Easy to install: these shaver heads are convenient to install for replacement, after installation process, you can place a tiny drop of oil on each head and run for 10 seconds to maintain a properly-running function; It's recommended that you should replace the shaving heads every 12 months for nice performance Pointed and multi precision blades: The pointed design makes a more efficient work, good for shaving your beard without leaving traces, you look neat and more attractive; These heads are washable for reuse, you can clean them after shaving or brush them with a cleaning brush Name: Shaver head replacement Number: HQ4 Size: 1 x 1 x 0.4cm Rotation: Yes colour:Silver Material:steel Package Contents: 6 x shaver blades 2 x cleaning 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 picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.