quality hair cutting head.Tungsten steel material, wear resistance, high hardness, good toughness.Easy to install, Please make sure well your model.Type:Hair Trimmer CutterCompatible with:for ER150 ER151 ER152 ER153 ER154 ER160 ER151-H ER153-A ER154-K ER160 ER160-A ER1510 ER1510-S ER1511 ER1511-S ER1610 ER1610-P ER1610-K ER1611 ER-GP80 ER9900Colour:BlackMaterial:Plastic+MetalPackage Contents:3 * Hair Trimmer CutterOnly 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.