Item Type: Metal Opener Knob Cover For REVOX Material: Aluminum Alloy Applicable Models: For REVOX A77 A76 A78 A50 MK I MK II MK III1,SCOPE OF APPLICATION: Opener knob cover is suitable for REVOX A77 A76 A78 A50 MK I MK II MK III opener knob cover controller front knob. 2,FITS PERFECTLY: For REVOX opener controller front knob, perfectly fits your opener, everything works fine. 3,PERFECT REPLACEMENT: Opener knob cover renews the front knob cover of your opener and is the perfect replacement for old, damaged knob covers. 4,ALUMINUM ALLOY: Metal opener knob cover is made of aluminum alloy, strong and durable, not easy to damage, long life. 5,EASY INSTALLATION: Front knob cover is easy to install, no special operation is required to complete, giving you the best experience.4 x Metal Opener Knob Cover for REVOX Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin