Features: Enhances your auditory experience with the for A710 B710 speaker wheel, to provide optimaled support and stability for your recorder . From durability metal, the speaker pinch roller ensures long time use and with a sleek, modern look. Perfectly upgrades their auditory setups. For home, office, the wheel make transporting and stabilizing your speakers effortless. Easy installation and wide compatibility with various speaker models, the speaker Wheel is a must accessory for auditory enthusiasts. Specifications: for A710 B710 Cassette Recorder Pinch Roller Size：about 6x8mm/0.23x0.31in Color: Mixed/Gray/Black Component: Metal Package Includes: 1PC Metal Pinch Roller note: Due to the problems of lighting effects, there will be certain tolerances in the product, please understand. The error of manual measurement of the size is within the normal ranging of 0-2cm.