Precisely Cast for superior dimensional accuracy and concentricity, enhancing rotation stability and faster reading speeds. Stable Tape Movement ensures consistent tape movement during recording or playback, providing high stability and precision even at elevated speeds. Wide Compatibility designed to fit a range of tape recorders for REVOX Studer B7, ensuring seamless integration. Dependable Performance crafted with meticulous attention to detail for reliable operation that enhances your audio experience. Item Type: Pressure Roller, Material: Metal, Outer Diameter: 25.9mm/1.02in (±0.1mm), Total Thickness: 9mm/0.35in (±0.01mm), Inner Hole Diameter: 5.03mm/0.2in (±0.01mm), Center Protrusion (Tape and Roller Contacting Height): 6.4mm/0.25in (±0.2mm). This pressure roller guarantees consistent tape movement during recording or playback, ensuring high stability and precision even at elevated speeds. Crafted with meticulous attention to detail for dependable operation that enhances your audio experience. The product printed words may vary depending on the batch, but this does not affect use. Color: As Shown Material: Metal Package Contents: 1 x Pressure Roller, 4 x Washers (Random Color), 1 x Accessory Only 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.