4 Pcs Hair Clippers Spring Tension Guide Block Plastic Swing Head Accessories Tongue Cam Follower fit WAHL Magic Clip for 8148//8504/1919/8591 DIY Save money，Spring Tension & Cam Follower Replacement Swing Head Guide Block Plastic Tongue Cam follower Fit WAHL Hair Clippers Magic Clip for8148/8504/8591/1919 Repair Parts. ↑ Tips: Any brands mentioned in the above , just show the compatibility and for reference ，It is not our products trademark. Our Brands is VRMETA. Packing including: 2 x PCS Black Swing Head, 2x Pcs Spring Tension This is a high quality replacement, Material: Plastic. Made of high quality material, durable to use, Convenient replacement. It is easy for maintenance, and easy to replace the original broken parts also . Dear customers, if you have any questions , please feel free to contact with us. Repairing by yourself, saving money, and replace the broken parts