General description vhbw offers a high-quality replacement shaving head compatible with various Panasonic electric razors, ensuring a smooth and professional shave. It is recommended to replace the shaving parts of your hair clippers or trimmer at least every 18 months to maintain optimal performance. Technical specifications Material: plastic / metal Colour: grey Weight: 11 g Cutting width: 37 mm Cutting length: 2.65 mm Tooth pitch of blade: 0.5 - 1 mm Compatibility and accessories Compatible with Panasonic ER 1411 Compatible with Panasonic ER 508 Compatible with Panasonic ER 1410 Compatible with Panasonic ER 504 Compatible with Panasonic ER 506 Compatible with Panasonic ER 149 Compatible with Panasonic ER 503 Compatible with Panasonic ER 147 Compatible with Panasonic ER 148 Compatible with Panasonic ER 1420 Compatible with Panasonic ER 1421 Compatible with Panasonic ER 146 Replacement for Panasonic WER9714, WER9714Y Installation Thanks to their high-quality materials and