Item Type: Pinch Roller Material: Rubber, Bronze Color: Black Size: Approx. 12x12x6mm / 0.47x0.47x0.24in Core: Brass and Press Fit Sintered Bushing Suitable for Revox B215V B710V, for Studer A721V A710V Cassette Recorder Features: Anti Acid, Anti Ozone, Anti Ultraviolet Lighting Package List 2 x Pinch Roller 2 x Test Component Please allow some error in manual measurement. 1Broad Compatibility: The pinch roller has broad compatibility with the for Revox B215V B710V, for Studer A721V A710V cassette recorder. 2Professionally Manufactured: The pinch roller is manufactured to the specifications of for Revox and for Studer, and the inner bore is a accuracy reaming hole. 3Bronze Bearings: The pinch poller kit has sintered bronze bearings for long lasting lubrication without the need for relubrication. 4Superior Performance: Pinch roller wheel is resistant to acids, ozone and UV rays, and its concentric properties will remain for many years. 5Premium Material: The pinch roller wheel is made of premium rubber and bronze for stability and durability.