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 models360 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, will not scratch your face or remove the unwanted parts, efficient and have good effectsEasy 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 performancePointed and multi precision blades: The pointed design makes a more efficient work, good for shaving your beard without leaving traces, you will look neat and more attractive; These heads are washable for reuse, you can clean them after shaving or brush them with a cleaning brushName: Shaver head replacementNumber: HQ4Size: 1 x 1 x 0.4cmRotation: Yescolour:SilverMaterial:steelPackage Contents:3 x shaver blades1 x cleaning brushOnly the above package content, other products are not included.Note: Light 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.