Features: Polishing process: The NAB hub adapter is meticulously crafted withpolished metal handles and metal bases ,Accurate size: perfectly fits 10inches (approximately 25.4cm) Safety locking: Thepolished NAB hub adapter base is locked and non adjustable, and will not loosen Easy to install: The universal loading device for the reel reel tape recorder is easy to install and does not require complex tools andsteps, making it easy and simple to use. Sturdy structure: A pair of 10 inch (approximately 25.4cm) bottle openers, all made of high-quality aluminum alloy material, with a sturdy overall structure that is not easily damaged. Specifications: Material:Metal Size：approx 8x4x4CM/3.15x1.57x1.57in Color： Black/Gold/Blue Quantity:1 Pair For：10inch (approximately 25.4cm) Reel Tape Recorders Package Includes: 1Pair NAB Hub Adapters note: Please allow 1-2mm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.